Home / 42,296.72-63,452.40-14,219.52

Finding the Fourth Proportional to 42,296.72, 63,452.40 and 14,219.52

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Solution

The fourth proportional to 42,296.72, 63,452.40 and 14,219.52 is: 21,331.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,296.72 : 63,452.40 = 14,219.52 : x
  2. Step 2: Convert to fraction form
    42,296.72/63,452.40 = 14,219.52/x
  3. Step 3: Cross multiply
    42,296.72x = 63,452.40 × 14,219.52
  4. Step 4: Simplify right side
    42,296.72x = 902,262,670.85
  5. Step 5: Solve for x
    x = 902,262,670.85/42,296.72
  6. Step 6: Final answer
    x = 21,331.74

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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.