Home / 57,006.15-85,527.66-27,420.12

Finding the Fourth Proportional to 57,006.15, 85,527.66 and 27,420.12

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Solution

The fourth proportional to 57,006.15, 85,527.66 and 27,420.12 is: 41,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,006.15 : 85,527.66 = 27,420.12 : x
  2. Step 2: Convert to fraction form
    57,006.15/85,527.66 = 27,420.12/x
  3. Step 3: Cross multiply
    57,006.15x = 85,527.66 × 27,420.12
  4. Step 4: Simplify right side
    57,006.15x = 2,345,178,700.52
  5. Step 5: Solve for x
    x = 2,345,178,700.52/57,006.15
  6. Step 6: Final answer
    x = 41,139.05

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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.