Home / 42,514.40-63,782.55-17,558.30

Finding the Fourth Proportional to 42,514.40, 63,782.55 and 17,558.30

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Solution

The fourth proportional to 42,514.40, 63,782.55 and 17,558.30 is: 26,341.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,514.40 : 63,782.55 = 17,558.30 : x
  2. Step 2: Convert to fraction form
    42,514.40/63,782.55 = 17,558.30/x
  3. Step 3: Cross multiply
    42,514.40x = 63,782.55 × 17,558.30
  4. Step 4: Simplify right side
    42,514.40x = 1,119,912,828.75
  5. Step 5: Solve for x
    x = 1,119,912,828.75/42,514.40
  6. Step 6: Final answer
    x = 26,341.97

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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.