Home / 82,356.90-123,535.34-20,026.86

Finding the Fourth Proportional to 82,356.90, 123,535.34 and 20,026.86

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Solution

The fourth proportional to 82,356.90, 123,535.34 and 20,026.86 is: 30,040.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,356.90 : 123,535.34 = 20,026.86 : x
  2. Step 2: Convert to fraction form
    82,356.90/123,535.34 = 20,026.86/x
  3. Step 3: Cross multiply
    82,356.90x = 123,535.34 × 20,026.86
  4. Step 4: Simplify right side
    82,356.90x = 2,474,024,959.23
  5. Step 5: Solve for x
    x = 2,474,024,959.23/82,356.90
  6. Step 6: Final answer
    x = 30,040.29

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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.