Home / 48,285.24-72,404.12-20,196.86

Finding the Fourth Proportional to 48,285.24, 72,404.12 and 20,196.86

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Solution

The fourth proportional to 48,285.24, 72,404.12 and 20,196.86 is: 30,285.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,285.24 : 72,404.12 = 20,196.86 : x
  2. Step 2: Convert to fraction form
    48,285.24/72,404.12 = 20,196.86/x
  3. Step 3: Cross multiply
    48,285.24x = 72,404.12 × 20,196.86
  4. Step 4: Simplify right side
    48,285.24x = 1,462,335,875.06
  5. Step 5: Solve for x
    x = 1,462,335,875.06/48,285.24
  6. Step 6: Final answer
    x = 30,285.36

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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.