Home / 63,970.05-88,278.48-38,491.28

Finding the Fourth Proportional to 63,970.05, 88,278.48 and 38,491.28

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Solution

The fourth proportional to 63,970.05, 88,278.48 and 38,491.28 is: 53,117.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,970.05 : 88,278.48 = 38,491.28 : x
  2. Step 2: Convert to fraction form
    63,970.05/88,278.48 = 38,491.28/x
  3. Step 3: Cross multiply
    63,970.05x = 88,278.48 × 38,491.28
  4. Step 4: Simplify right side
    63,970.05x = 3,397,951,441.28
  5. Step 5: Solve for x
    x = 3,397,951,441.28/63,970.05
  6. Step 6: Final answer
    x = 53,117.85

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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.