Home / 45,338.83-62,501.64-31,684.48

Finding the Fourth Proportional to 45,338.83, 62,501.64 and 31,684.48

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Solution

The fourth proportional to 45,338.83, 62,501.64 and 31,684.48 is: 43,678.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,338.83 : 62,501.64 = 31,684.48 : x
  2. Step 2: Convert to fraction form
    45,338.83/62,501.64 = 31,684.48/x
  3. Step 3: Cross multiply
    45,338.83x = 62,501.64 × 31,684.48
  4. Step 4: Simplify right side
    45,338.83x = 1,980,332,130.60
  5. Step 5: Solve for x
    x = 1,980,332,130.60/45,338.83
  6. Step 6: Final answer
    x = 43,678.50

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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.