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Finding the Fourth Proportional to 39,900.66, 59,852.82 and 14,934.26

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Solution

The fourth proportional to 39,900.66, 59,852.82 and 14,934.26 is: 22,402.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,900.66 : 59,852.82 = 14,934.26 : x
  2. Step 2: Convert to fraction form
    39,900.66/59,852.82 = 14,934.26/x
  3. Step 3: Cross multiply
    39,900.66x = 59,852.82 × 14,934.26
  4. Step 4: Simplify right side
    39,900.66x = 893,857,575.61
  5. Step 5: Solve for x
    x = 893,857,575.61/39,900.66
  6. Step 6: Final answer
    x = 22,402.07

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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.