Home / 42,488.85-63,749.00-17,531.08

Finding the Fourth Proportional to 42,488.85, 63,749.00 and 17,531.08

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Solution

The fourth proportional to 42,488.85, 63,749.00 and 17,531.08 is: 26,303.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,488.85 : 63,749.00 = 17,531.08 : x
  2. Step 2: Convert to fraction form
    42,488.85/63,749.00 = 17,531.08/x
  3. Step 3: Cross multiply
    42,488.85x = 63,749.00 × 17,531.08
  4. Step 4: Simplify right side
    42,488.85x = 1,117,589,012.66
  5. Step 5: Solve for x
    x = 1,117,589,012.66/42,488.85
  6. Step 6: Final answer
    x = 26,303.11

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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.