Home / 48,268.20-72,402.30-40,103.40

Finding the Fourth Proportional to 48,268.20, 72,402.30 and 40,103.40

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Solution

The fourth proportional to 48,268.20, 72,402.30 and 40,103.40 is: 60,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,268.20 : 72,402.30 = 40,103.40 : x
  2. Step 2: Convert to fraction form
    48,268.20/72,402.30 = 40,103.40/x
  3. Step 3: Cross multiply
    48,268.20x = 72,402.30 × 40,103.40
  4. Step 4: Simplify right side
    48,268.20x = 2,903,578,397.82
  5. Step 5: Solve for x
    x = 2,903,578,397.82/48,268.20
  6. Step 6: Final answer
    x = 60,155.10

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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.