Home / 48,639.40-72,959.10-48,332.20

Finding the Fourth Proportional to 48,639.40, 72,959.10 and 48,332.20

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Solution

The fourth proportional to 48,639.40, 72,959.10 and 48,332.20 is: 72,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,639.40 : 72,959.10 = 48,332.20 : x
  2. Step 2: Convert to fraction form
    48,639.40/72,959.10 = 48,332.20/x
  3. Step 3: Cross multiply
    48,639.40x = 72,959.10 × 48,332.20
  4. Step 4: Simplify right side
    48,639.40x = 3,526,273,813.02
  5. Step 5: Solve for x
    x = 3,526,273,813.02/48,639.40
  6. Step 6: Final answer
    x = 72,498.30

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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.