Home / 48,711.10-72,920.85-43,462.30

Finding the Fourth Proportional to 48,711.10, 72,920.85 and 43,462.30

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Solution

The fourth proportional to 48,711.10, 72,920.85 and 43,462.30 is: 65,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,711.10 : 72,920.85 = 43,462.30 : x
  2. Step 2: Convert to fraction form
    48,711.10/72,920.85 = 43,462.30/x
  3. Step 3: Cross multiply
    48,711.10x = 72,920.85 × 43,462.30
  4. Step 4: Simplify right side
    48,711.10x = 3,169,307,858.96
  5. Step 5: Solve for x
    x = 3,169,307,858.96/48,711.10
  6. Step 6: Final answer
    x = 65,063.36

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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.