Home / 48,046.40-71,875.20-42,214.40

Finding the Fourth Proportional to 48,046.40, 71,875.20 and 42,214.40

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Solution

The fourth proportional to 48,046.40, 71,875.20 and 42,214.40 is: 63,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,046.40 : 71,875.20 = 42,214.40 : x
  2. Step 2: Convert to fraction form
    48,046.40/71,875.20 = 42,214.40/x
  3. Step 3: Cross multiply
    48,046.40x = 71,875.20 × 42,214.40
  4. Step 4: Simplify right side
    48,046.40x = 3,034,168,442.88
  5. Step 5: Solve for x
    x = 3,034,168,442.88/48,046.40
  6. Step 6: Final answer
    x = 63,150.80

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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.