Home / 57,143.18-85,367.27-36,988.49

Finding the Fourth Proportional to 57,143.18, 85,367.27 and 36,988.49

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Solution

The fourth proportional to 57,143.18, 85,367.27 and 36,988.49 is: 55,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,143.18 : 85,367.27 = 36,988.49 : x
  2. Step 2: Convert to fraction form
    57,143.18/85,367.27 = 36,988.49/x
  3. Step 3: Cross multiply
    57,143.18x = 85,367.27 × 36,988.49
  4. Step 4: Simplify right side
    57,143.18x = 3,157,606,718.61
  5. Step 5: Solve for x
    x = 3,157,606,718.61/57,143.18
  6. Step 6: Final answer
    x = 55,257.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.