Home / 39,961.40-59,935.36-14,655.68

Finding the Fourth Proportional to 39,961.40, 59,935.36 and 14,655.68

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Solution

The fourth proportional to 39,961.40, 59,935.36 and 14,655.68 is: 21,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,961.40 : 59,935.36 = 14,655.68 : x
  2. Step 2: Convert to fraction form
    39,961.40/59,935.36 = 14,655.68/x
  3. Step 3: Cross multiply
    39,961.40x = 59,935.36 × 14,655.68
  4. Step 4: Simplify right side
    39,961.40x = 878,393,456.84
  5. Step 5: Solve for x
    x = 878,393,456.84/39,961.40
  6. Step 6: Final answer
    x = 21,981.05

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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.