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Finding the Fourth Proportional to 35,999.84, 54,023.87 and 14,939.90

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Solution

The fourth proportional to 35,999.84, 54,023.87 and 14,939.90 is: 22,419.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,999.84 : 54,023.87 = 14,939.90 : x
  2. Step 2: Convert to fraction form
    35,999.84/54,023.87 = 14,939.90/x
  3. Step 3: Cross multiply
    35,999.84x = 54,023.87 × 14,939.90
  4. Step 4: Simplify right side
    35,999.84x = 807,111,215.41
  5. Step 5: Solve for x
    x = 807,111,215.41/35,999.84
  6. Step 6: Final answer
    x = 22,419.86

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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.