Home / 53,018.39-73,165.53-30,357.74

Finding the Fourth Proportional to 53,018.39, 73,165.53 and 30,357.74

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Solution

The fourth proportional to 53,018.39, 73,165.53 and 30,357.74 is: 41,893.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,018.39 : 73,165.53 = 30,357.74 : x
  2. Step 2: Convert to fraction form
    53,018.39/73,165.53 = 30,357.74/x
  3. Step 3: Cross multiply
    53,018.39x = 73,165.53 × 30,357.74
  4. Step 4: Simplify right side
    53,018.39x = 2,221,139,770.87
  5. Step 5: Solve for x
    x = 2,221,139,770.87/53,018.39
  6. Step 6: Final answer
    x = 41,893.77

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Double scale
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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.