Home / 63,915.12-88,209.44-38,429.79

Finding the Fourth Proportional to 63,915.12, 88,209.44 and 38,429.79

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Solution

The fourth proportional to 63,915.12, 88,209.44 and 38,429.79 is: 53,037.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,915.12 : 88,209.44 = 38,429.79 : x
  2. Step 2: Convert to fraction form
    63,915.12/88,209.44 = 38,429.79/x
  3. Step 3: Cross multiply
    63,915.12x = 88,209.44 × 38,429.79
  4. Step 4: Simplify right side
    63,915.12x = 3,389,870,063.07
  5. Step 5: Solve for x
    x = 3,389,870,063.07/63,915.12
  6. Step 6: Final answer
    x = 53,037.06

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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.