Home / 42,374.22-63,581.99-17,421.77

Finding the Fourth Proportional to 42,374.22, 63,581.99 and 17,421.77

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Solution

The fourth proportional to 42,374.22, 63,581.99 and 17,421.77 is: 26,141.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,374.22 : 63,581.99 = 17,421.77 : x
  2. Step 2: Convert to fraction form
    42,374.22/63,581.99 = 17,421.77/x
  3. Step 3: Cross multiply
    42,374.22x = 63,581.99 × 17,421.77
  4. Step 4: Simplify right side
    42,374.22x = 1,107,710,400.90
  5. Step 5: Solve for x
    x = 1,107,710,400.90/42,374.22
  6. Step 6: Final answer
    x = 26,141.14

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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.