Home / 42,273.60-63,324.28-20,019.50

Finding the Fourth Proportional to 42,273.60, 63,324.28 and 20,019.50

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Solution

The fourth proportional to 42,273.60, 63,324.28 and 20,019.50 is: 29,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,273.60 : 63,324.28 = 20,019.50 : x
  2. Step 2: Convert to fraction form
    42,273.60/63,324.28 = 20,019.50/x
  3. Step 3: Cross multiply
    42,273.60x = 63,324.28 × 20,019.50
  4. Step 4: Simplify right side
    42,273.60x = 1,267,720,423.46
  5. Step 5: Solve for x
    x = 1,267,720,423.46/42,273.60
  6. Step 6: Final answer
    x = 29,988.47

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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.