Home / 42,359.65-63,498.16-20,167.07

Finding the Fourth Proportional to 42,359.65, 63,498.16 and 20,167.07

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Solution

The fourth proportional to 42,359.65, 63,498.16 and 20,167.07 is: 30,230.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,359.65 : 63,498.16 = 20,167.07 : x
  2. Step 2: Convert to fraction form
    42,359.65/63,498.16 = 20,167.07/x
  3. Step 3: Cross multiply
    42,359.65x = 63,498.16 × 20,167.07
  4. Step 4: Simplify right side
    42,359.65x = 1,280,571,469.68
  5. Step 5: Solve for x
    x = 1,280,571,469.68/42,359.65
  6. Step 6: Final answer
    x = 30,230.93

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1.5x scale

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.