Home / 40,031.28-55,240.06-23,036.46

Finding the Fourth Proportional to 40,031.28, 55,240.06 and 23,036.46

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Solution

The fourth proportional to 40,031.28, 55,240.06 and 23,036.46 is: 31,788.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,031.28 : 55,240.06 = 23,036.46 : x
  2. Step 2: Convert to fraction form
    40,031.28/55,240.06 = 23,036.46/x
  3. Step 3: Cross multiply
    40,031.28x = 55,240.06 × 23,036.46
  4. Step 4: Simplify right side
    40,031.28x = 1,272,535,432.59
  5. Step 5: Solve for x
    x = 1,272,535,432.59/40,031.28
  6. Step 6: Final answer
    x = 31,788.53

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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.