Home / 31,591.98-43,561.38-25,831.46

Finding the Fourth Proportional to 31,591.98, 43,561.38 and 25,831.46

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Solution

The fourth proportional to 31,591.98, 43,561.38 and 25,831.46 is: 35,618.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,591.98 : 43,561.38 = 25,831.46 : x
  2. Step 2: Convert to fraction form
    31,591.98/43,561.38 = 25,831.46/x
  3. Step 3: Cross multiply
    31,591.98x = 43,561.38 × 25,831.46
  4. Step 4: Simplify right side
    31,591.98x = 1,125,254,045.01
  5. Step 5: Solve for x
    x = 1,125,254,045.01/31,591.98
  6. Step 6: Final answer
    x = 35,618.35

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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.