Home / 39,932.31-55,103.36-22,931.13

Finding the Fourth Proportional to 39,932.31, 55,103.36 and 22,931.13

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Solution

The fourth proportional to 39,932.31, 55,103.36 and 22,931.13 is: 31,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,932.31 : 55,103.36 = 22,931.13 : x
  2. Step 2: Convert to fraction form
    39,932.31/55,103.36 = 22,931.13/x
  3. Step 3: Cross multiply
    39,932.31x = 55,103.36 × 22,931.13
  4. Step 4: Simplify right side
    39,932.31x = 1,263,582,196.94
  5. Step 5: Solve for x
    x = 1,263,582,196.94/39,932.31
  6. Step 6: Final answer
    x = 31,643.10

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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.