Home / 62,631.36-86,432.40-34,336.71

Finding the Fourth Proportional to 62,631.36, 86,432.40 and 34,336.71

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Solution

The fourth proportional to 62,631.36, 86,432.40 and 34,336.71 is: 47,385.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,631.36 : 86,432.40 = 34,336.71 : x
  2. Step 2: Convert to fraction form
    62,631.36/86,432.40 = 34,336.71/x
  3. Step 3: Cross multiply
    62,631.36x = 86,432.40 × 34,336.71
  4. Step 4: Simplify right side
    62,631.36x = 2,967,804,253.40
  5. Step 5: Solve for x
    x = 2,967,804,253.40/62,631.36
  6. Step 6: Final answer
    x = 47,385.28

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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.