Home / 48,226.12-72,339.19-20,130.85

Finding the Fourth Proportional to 48,226.12, 72,339.19 and 20,130.85

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Solution

The fourth proportional to 48,226.12, 72,339.19 and 20,130.85 is: 30,196.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,226.12 : 72,339.19 = 20,130.85 : x
  2. Step 2: Convert to fraction form
    48,226.12/72,339.19 = 20,130.85/x
  3. Step 3: Cross multiply
    48,226.12x = 72,339.19 × 20,130.85
  4. Step 4: Simplify right side
    48,226.12x = 1,456,249,536.34
  5. Step 5: Solve for x
    x = 1,456,249,536.34/48,226.12
  6. Step 6: Final answer
    x = 30,196.28

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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.