Home / 48,301.10-72,451.65-20,216.30

Finding the Fourth Proportional to 48,301.10, 72,451.65 and 20,216.30

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Solution

The fourth proportional to 48,301.10, 72,451.65 and 20,216.30 is: 30,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,301.10 : 72,451.65 = 20,216.30 : x
  2. Step 2: Convert to fraction form
    48,301.10/72,451.65 = 20,216.30/x
  3. Step 3: Cross multiply
    48,301.10x = 72,451.65 × 20,216.30
  4. Step 4: Simplify right side
    48,301.10x = 1,464,704,291.90
  5. Step 5: Solve for x
    x = 1,464,704,291.90/48,301.10
  6. Step 6: Final answer
    x = 30,324.45

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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.