Home / 38,659.14-57,970.42-14,977.76

Finding the Fourth Proportional to 38,659.14, 57,970.42 and 14,977.76

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Solution

The fourth proportional to 38,659.14, 57,970.42 and 14,977.76 is: 22,459.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,659.14 : 57,970.42 = 14,977.76 : x
  2. Step 2: Convert to fraction form
    38,659.14/57,970.42 = 14,977.76/x
  3. Step 3: Cross multiply
    38,659.14x = 57,970.42 × 14,977.76
  4. Step 4: Simplify right side
    38,659.14x = 868,267,037.86
  5. Step 5: Solve for x
    x = 868,267,037.86/38,659.14
  6. Step 6: Final answer
    x = 22,459.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.