Home / 48,025.60-71,995.20-30,486.40

Finding the Fourth Proportional to 48,025.60, 71,995.20 and 30,486.40

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Solution

The fourth proportional to 48,025.60, 71,995.20 and 30,486.40 is: 45,702.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,025.60 : 71,995.20 = 30,486.40 : x
  2. Step 2: Convert to fraction form
    48,025.60/71,995.20 = 30,486.40/x
  3. Step 3: Cross multiply
    48,025.60x = 71,995.20 × 30,486.40
  4. Step 4: Simplify right side
    48,025.60x = 2,194,874,465.28
  5. Step 5: Solve for x
    x = 2,194,874,465.28/48,025.60
  6. Step 6: Final answer
    x = 45,702.18

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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.