Home / 42,122.57-63,162.72-14,032.75

Finding the Fourth Proportional to 42,122.57, 63,162.72 and 14,032.75

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Solution

The fourth proportional to 42,122.57, 63,162.72 and 14,032.75 is: 21,042.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,122.57 : 63,162.72 = 14,032.75 : x
  2. Step 2: Convert to fraction form
    42,122.57/63,162.72 = 14,032.75/x
  3. Step 3: Cross multiply
    42,122.57x = 63,162.72 × 14,032.75
  4. Step 4: Simplify right side
    42,122.57x = 886,346,536.26
  5. Step 5: Solve for x
    x = 886,346,536.26/42,122.57
  6. Step 6: Final answer
    x = 21,042.08

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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.