Home / 57,039.85-85,485.05-27,398.71

Finding the Fourth Proportional to 57,039.85, 85,485.05 and 27,398.71

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Solution

The fourth proportional to 57,039.85, 85,485.05 and 27,398.71 is: 41,062.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,039.85 : 85,485.05 = 27,398.71 : x
  2. Step 2: Convert to fraction form
    57,039.85/85,485.05 = 27,398.71/x
  3. Step 3: Cross multiply
    57,039.85x = 85,485.05 × 27,398.71
  4. Step 4: Simplify right side
    57,039.85x = 2,342,180,094.29
  5. Step 5: Solve for x
    x = 2,342,180,094.29/57,039.85
  6. Step 6: Final answer
    x = 41,062.17

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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.