Home / 42,190.65-63,274.26-12,601.47

Finding the Fourth Proportional to 42,190.65, 63,274.26 and 12,601.47

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Solution

The fourth proportional to 42,190.65, 63,274.26 and 12,601.47 is: 18,898.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,190.65 : 63,274.26 = 12,601.47 : x
  2. Step 2: Convert to fraction form
    42,190.65/63,274.26 = 12,601.47/x
  3. Step 3: Cross multiply
    42,190.65x = 63,274.26 × 12,601.47
  4. Step 4: Simplify right side
    42,190.65x = 797,348,689.16
  5. Step 5: Solve for x
    x = 797,348,689.16/42,190.65
  6. Step 6: Final answer
    x = 18,898.71

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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.