Home / 82,832.04-124,248.05-20,502.54

Finding the Fourth Proportional to 82,832.04, 124,248.05 and 20,502.54

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Solution

The fourth proportional to 82,832.04, 124,248.05 and 20,502.54 is: 30,753.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,832.04 : 124,248.05 = 20,502.54 : x
  2. Step 2: Convert to fraction form
    82,832.04/124,248.05 = 20,502.54/x
  3. Step 3: Cross multiply
    82,832.04x = 124,248.05 × 20,502.54
  4. Step 4: Simplify right side
    82,832.04x = 2,547,400,512.53
  5. Step 5: Solve for x
    x = 2,547,400,512.53/82,832.04
  6. Step 6: Final answer
    x = 30,753.81

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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.