Home / 39,966.58-59,943.15-14,660.86

Finding the Fourth Proportional to 39,966.58, 59,943.15 and 14,660.86

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Solution

The fourth proportional to 39,966.58, 59,943.15 and 14,660.86 is: 21,988.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,966.58 : 59,943.15 = 14,660.86 : x
  2. Step 2: Convert to fraction form
    39,966.58/59,943.15 = 14,660.86/x
  3. Step 3: Cross multiply
    39,966.58x = 59,943.15 × 14,660.86
  4. Step 4: Simplify right side
    39,966.58x = 878,818,130.11
  5. Step 5: Solve for x
    x = 878,818,130.11/39,966.58
  6. Step 6: Final answer
    x = 21,988.82

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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.