Home / 31,442.76-43,389.36-17,292.87

Finding the Fourth Proportional to 31,442.76, 43,389.36 and 17,292.87

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Solution

The fourth proportional to 31,442.76, 43,389.36 and 17,292.87 is: 23,863.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,442.76 : 43,389.36 = 17,292.87 : x
  2. Step 2: Convert to fraction form
    31,442.76/43,389.36 = 17,292.87/x
  3. Step 3: Cross multiply
    31,442.76x = 43,389.36 × 17,292.87
  4. Step 4: Simplify right side
    31,442.76x = 750,326,561.86
  5. Step 5: Solve for x
    x = 750,326,561.86/31,442.76
  6. Step 6: Final answer
    x = 23,863.25

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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.