Home / 55,432.83-83,182.05-20,397.09

Finding the Fourth Proportional to 55,432.83, 83,182.05 and 20,397.09

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Solution

The fourth proportional to 55,432.83, 83,182.05 and 20,397.09 is: 30,607.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,432.83 : 83,182.05 = 20,397.09 : x
  2. Step 2: Convert to fraction form
    55,432.83/83,182.05 = 20,397.09/x
  3. Step 3: Cross multiply
    55,432.83x = 83,182.05 × 20,397.09
  4. Step 4: Simplify right side
    55,432.83x = 1,696,671,760.23
  5. Step 5: Solve for x
    x = 1,696,671,760.23/55,432.83
  6. Step 6: Final answer
    x = 30,607.71

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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.