Home / 42,469.96-63,701.27-14,389.42

Finding the Fourth Proportional to 42,469.96, 63,701.27 and 14,389.42

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Solution

The fourth proportional to 42,469.96, 63,701.27 and 14,389.42 is: 21,582.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,469.96 : 63,701.27 = 14,389.42 : x
  2. Step 2: Convert to fraction form
    42,469.96/63,701.27 = 14,389.42/x
  3. Step 3: Cross multiply
    42,469.96x = 63,701.27 × 14,389.42
  4. Step 4: Simplify right side
    42,469.96x = 916,623,938.11
  5. Step 5: Solve for x
    x = 916,623,938.11/42,469.96
  6. Step 6: Final answer
    x = 21,582.88

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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.