Home / 48,032.20-72,005.10-31,400.20

Finding the Fourth Proportional to 48,032.20, 72,005.10 and 31,400.20

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Solution

The fourth proportional to 48,032.20, 72,005.10 and 31,400.20 is: 47,072.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,032.20 : 72,005.10 = 31,400.20 : x
  2. Step 2: Convert to fraction form
    48,032.20/72,005.10 = 31,400.20/x
  3. Step 3: Cross multiply
    48,032.20x = 72,005.10 × 31,400.20
  4. Step 4: Simplify right side
    48,032.20x = 2,260,974,541.02
  5. Step 5: Solve for x
    x = 2,260,974,541.02/48,032.20
  6. Step 6: Final answer
    x = 47,072.06

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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.