Home / 42,401.20-63,601.80-29,959.60

Finding the Fourth Proportional to 42,401.20, 63,601.80 and 29,959.60

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Solution

The fourth proportional to 42,401.20, 63,601.80 and 29,959.60 is: 44,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,401.20 : 63,601.80 = 29,959.60 : x
  2. Step 2: Convert to fraction form
    42,401.20/63,601.80 = 29,959.60/x
  3. Step 3: Cross multiply
    42,401.20x = 63,601.80 × 29,959.60
  4. Step 4: Simplify right side
    42,401.20x = 1,905,484,487.28
  5. Step 5: Solve for x
    x = 1,905,484,487.28/42,401.20
  6. Step 6: Final answer
    x = 44,939.40

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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.