Home / 42,155.67-63,180.90-27,122.79

Finding the Fourth Proportional to 42,155.67, 63,180.90 and 27,122.79

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Solution

The fourth proportional to 42,155.67, 63,180.90 and 27,122.79 is: 40,650.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,155.67 : 63,180.90 = 27,122.79 : x
  2. Step 2: Convert to fraction form
    42,155.67/63,180.90 = 27,122.79/x
  3. Step 3: Cross multiply
    42,155.67x = 63,180.90 × 27,122.79
  4. Step 4: Simplify right side
    42,155.67x = 1,713,642,282.71
  5. Step 5: Solve for x
    x = 1,713,642,282.71/42,155.67
  6. Step 6: Final answer
    x = 40,650.34

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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.