Home / 42,395.03-63,593.91-21,323.57

Finding the Fourth Proportional to 42,395.03, 63,593.91 and 21,323.57

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Solution

The fourth proportional to 42,395.03, 63,593.91 and 21,323.57 is: 31,986.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,395.03 : 63,593.91 = 21,323.57 : x
  2. Step 2: Convert to fraction form
    42,395.03/63,593.91 = 21,323.57/x
  3. Step 3: Cross multiply
    42,395.03x = 63,593.91 × 21,323.57
  4. Step 4: Simplify right side
    42,395.03x = 1,356,049,231.20
  5. Step 5: Solve for x
    x = 1,356,049,231.20/42,395.03
  6. Step 6: Final answer
    x = 31,986.04

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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.