Home / 57,326.40-85,990.14-17,345.70

Finding the Fourth Proportional to 57,326.40, 85,990.14 and 17,345.70

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Solution

The fourth proportional to 57,326.40, 85,990.14 and 17,345.70 is: 26,018.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,326.40 : 85,990.14 = 17,345.70 : x
  2. Step 2: Convert to fraction form
    57,326.40/85,990.14 = 17,345.70/x
  3. Step 3: Cross multiply
    57,326.40x = 85,990.14 × 17,345.70
  4. Step 4: Simplify right side
    57,326.40x = 1,491,559,171.40
  5. Step 5: Solve for x
    x = 1,491,559,171.40/57,326.40
  6. Step 6: Final answer
    x = 26,018.71

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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.