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Finding the Fourth Proportional to 61,738.71, 92,607.39 and 14,991.63

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Solution

The fourth proportional to 61,738.71, 92,607.39 and 14,991.63 is: 22,487.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,738.71 : 92,607.39 = 14,991.63 : x
  2. Step 2: Convert to fraction form
    61,738.71/92,607.39 = 14,991.63/x
  3. Step 3: Cross multiply
    61,738.71x = 92,607.39 × 14,991.63
  4. Step 4: Simplify right side
    61,738.71x = 1,388,335,726.15
  5. Step 5: Solve for x
    x = 1,388,335,726.15/61,738.71
  6. Step 6: Final answer
    x = 22,487.28

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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.