Home / 40,331.88-55,655.35-22,426.23

Finding the Fourth Proportional to 40,331.88, 55,655.35 and 22,426.23

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Solution

The fourth proportional to 40,331.88, 55,655.35 and 22,426.23 is: 30,946.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,331.88 : 55,655.35 = 22,426.23 : x
  2. Step 2: Convert to fraction form
    40,331.88/55,655.35 = 22,426.23/x
  3. Step 3: Cross multiply
    40,331.88x = 55,655.35 × 22,426.23
  4. Step 4: Simplify right side
    40,331.88x = 1,248,139,679.83
  5. Step 5: Solve for x
    x = 1,248,139,679.83/40,331.88
  6. Step 6: Final answer
    x = 30,946.73

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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.