Home / 31,037.87-42,831.36-17,610.36

Finding the Fourth Proportional to 31,037.87, 42,831.36 and 17,610.36

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Solution

The fourth proportional to 31,037.87, 42,831.36 and 17,610.36 is: 24,301.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,037.87 : 42,831.36 = 17,610.36 : x
  2. Step 2: Convert to fraction form
    31,037.87/42,831.36 = 17,610.36/x
  3. Step 3: Cross multiply
    31,037.87x = 42,831.36 × 17,610.36
  4. Step 4: Simplify right side
    31,037.87x = 754,275,668.89
  5. Step 5: Solve for x
    x = 754,275,668.89/31,037.87
  6. Step 6: Final answer
    x = 24,301.79

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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.