Home / 39,040.68-53,881.02-23,131.20

Finding the Fourth Proportional to 39,040.68, 53,881.02 and 23,131.20

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Solution

The fourth proportional to 39,040.68, 53,881.02 and 23,131.20 is: 31,923.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,040.68 : 53,881.02 = 23,131.20 : x
  2. Step 2: Convert to fraction form
    39,040.68/53,881.02 = 23,131.20/x
  3. Step 3: Cross multiply
    39,040.68x = 53,881.02 × 23,131.20
  4. Step 4: Simplify right side
    39,040.68x = 1,246,332,649.82
  5. Step 5: Solve for x
    x = 1,246,332,649.82/39,040.68
  6. Step 6: Final answer
    x = 31,923.95

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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.