Home / 71,036.15-106,559.46-20,433.13

Finding the Fourth Proportional to 71,036.15, 106,559.46 and 20,433.13

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Solution

The fourth proportional to 71,036.15, 106,559.46 and 20,433.13 is: 30,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,036.15 : 106,559.46 = 20,433.13 : x
  2. Step 2: Convert to fraction form
    71,036.15/106,559.46 = 20,433.13/x
  3. Step 3: Cross multiply
    71,036.15x = 106,559.46 × 20,433.13
  4. Step 4: Simplify right side
    71,036.15x = 2,177,343,298.91
  5. Step 5: Solve for x
    x = 2,177,343,298.91/71,036.15
  6. Step 6: Final answer
    x = 30,651.20

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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.