Home / 55,427.30-83,132.85-15,980.30

Finding the Fourth Proportional to 55,427.30, 83,132.85 and 15,980.30

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Solution

The fourth proportional to 55,427.30, 83,132.85 and 15,980.30 is: 23,968.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,427.30 : 83,132.85 = 15,980.30 : x
  2. Step 2: Convert to fraction form
    55,427.30/83,132.85 = 15,980.30/x
  3. Step 3: Cross multiply
    55,427.30x = 83,132.85 × 15,980.30
  4. Step 4: Simplify right side
    55,427.30x = 1,328,487,882.86
  5. Step 5: Solve for x
    x = 1,328,487,882.86/55,427.30
  6. Step 6: Final answer
    x = 23,968.11

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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.