Home / 48,535.80-72,755.16-20,462.64

Finding the Fourth Proportional to 48,535.80, 72,755.16 and 20,462.64

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Solution

The fourth proportional to 48,535.80, 72,755.16 and 20,462.64 is: 30,673.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,535.80 : 72,755.16 = 20,462.64 : x
  2. Step 2: Convert to fraction form
    48,535.80/72,755.16 = 20,462.64/x
  3. Step 3: Cross multiply
    48,535.80x = 72,755.16 × 20,462.64
  4. Step 4: Simplify right side
    48,535.80x = 1,488,762,647.22
  5. Step 5: Solve for x
    x = 1,488,762,647.22/48,535.80
  6. Step 6: Final answer
    x = 30,673.50

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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.