Home / 42,200.33-63,331.59-20,013.77

Finding the Fourth Proportional to 42,200.33, 63,331.59 and 20,013.77

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Solution

The fourth proportional to 42,200.33, 63,331.59 and 20,013.77 is: 30,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,200.33 : 63,331.59 = 20,013.77 : x
  2. Step 2: Convert to fraction form
    42,200.33/63,331.59 = 20,013.77/x
  3. Step 3: Cross multiply
    42,200.33x = 63,331.59 × 20,013.77
  4. Step 4: Simplify right side
    42,200.33x = 1,267,503,559.34
  5. Step 5: Solve for x
    x = 1,267,503,559.34/42,200.33
  6. Step 6: Final answer
    x = 30,035.40

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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.