Home / 40,275.06-55,578.04-22,371.21

Finding the Fourth Proportional to 40,275.06, 55,578.04 and 22,371.21

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Solution

The fourth proportional to 40,275.06, 55,578.04 and 22,371.21 is: 30,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,275.06 : 55,578.04 = 22,371.21 : x
  2. Step 2: Convert to fraction form
    40,275.06/55,578.04 = 22,371.21/x
  3. Step 3: Cross multiply
    40,275.06x = 55,578.04 × 22,371.21
  4. Step 4: Simplify right side
    40,275.06x = 1,243,347,614.48
  5. Step 5: Solve for x
    x = 1,243,347,614.48/40,275.06
  6. Step 6: Final answer
    x = 30,871.40

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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.