Home / 42,283.44-63,425.76-20,099.08

Finding the Fourth Proportional to 42,283.44, 63,425.76 and 20,099.08

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Solution

The fourth proportional to 42,283.44, 63,425.76 and 20,099.08 is: 30,148.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,283.44 : 63,425.76 = 20,099.08 : x
  2. Step 2: Convert to fraction form
    42,283.44/63,425.76 = 20,099.08/x
  3. Step 3: Cross multiply
    42,283.44x = 63,425.76 × 20,099.08
  4. Step 4: Simplify right side
    42,283.44x = 1,274,799,424.30
  5. Step 5: Solve for x
    x = 1,274,799,424.30/42,283.44
  6. Step 6: Final answer
    x = 30,148.91

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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.