Home / 42,647.24-63,890.90-35,672.08

Finding the Fourth Proportional to 42,647.24, 63,890.90 and 35,672.08

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Solution

The fourth proportional to 42,647.24, 63,890.90 and 35,672.08 is: 53,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,647.24 : 63,890.90 = 35,672.08 : x
  2. Step 2: Convert to fraction form
    42,647.24/63,890.90 = 35,672.08/x
  3. Step 3: Cross multiply
    42,647.24x = 63,890.90 × 35,672.08
  4. Step 4: Simplify right side
    42,647.24x = 2,279,120,957.98
  5. Step 5: Solve for x
    x = 2,279,120,957.98/42,647.24
  6. Step 6: Final answer
    x = 53,441.23

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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.