Home / 31,693.14-43,739.57-17,545.98

Finding the Fourth Proportional to 31,693.14, 43,739.57 and 17,545.98

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Solution

The fourth proportional to 31,693.14, 43,739.57 and 17,545.98 is: 24,215.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,693.14 : 43,739.57 = 17,545.98 : x
  2. Step 2: Convert to fraction form
    31,693.14/43,739.57 = 17,545.98/x
  3. Step 3: Cross multiply
    31,693.14x = 43,739.57 × 17,545.98
  4. Step 4: Simplify right side
    31,693.14x = 767,453,532.70
  5. Step 5: Solve for x
    x = 767,453,532.70/31,693.14
  6. Step 6: Final answer
    x = 24,215.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.