Home / 48,007.40-72,011.10-40,134.20

Finding the Fourth Proportional to 48,007.40, 72,011.10 and 40,134.20

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Solution

The fourth proportional to 48,007.40, 72,011.10 and 40,134.20 is: 60,201.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,007.40 : 72,011.10 = 40,134.20 : x
  2. Step 2: Convert to fraction form
    48,007.40/72,011.10 = 40,134.20/x
  3. Step 3: Cross multiply
    48,007.40x = 72,011.10 × 40,134.20
  4. Step 4: Simplify right side
    48,007.40x = 2,890,107,889.62
  5. Step 5: Solve for x
    x = 2,890,107,889.62/48,007.40
  6. Step 6: Final answer
    x = 60,201.30

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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.