Home / 53,338.64-73,609.55-30,677.63

Finding the Fourth Proportional to 53,338.64, 73,609.55 and 30,677.63

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Solution

The fourth proportional to 53,338.64, 73,609.55 and 30,677.63 is: 42,336.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,338.64 : 73,609.55 = 30,677.63 : x
  2. Step 2: Convert to fraction form
    53,338.64/73,609.55 = 30,677.63/x
  3. Step 3: Cross multiply
    53,338.64x = 73,609.55 × 30,677.63
  4. Step 4: Simplify right side
    53,338.64x = 2,258,166,800.08
  5. Step 5: Solve for x
    x = 2,258,166,800.08/53,338.64
  6. Step 6: Final answer
    x = 42,336.42

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Half scale
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Double scale
Find fourth proportional to 53,339.64, 73,610.93 and 30,678.63
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.