Home / 40,389.17-55,737.03-22,488.40

Finding the Fourth Proportional to 40,389.17, 55,737.03 and 22,488.40

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Solution

The fourth proportional to 40,389.17, 55,737.03 and 22,488.40 is: 31,033.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,389.17 : 55,737.03 = 22,488.40 : x
  2. Step 2: Convert to fraction form
    40,389.17/55,737.03 = 22,488.40/x
  3. Step 3: Cross multiply
    40,389.17x = 55,737.03 × 22,488.40
  4. Step 4: Simplify right side
    40,389.17x = 1,253,436,652.96
  5. Step 5: Solve for x
    x = 1,253,436,652.96/40,389.17
  6. Step 6: Final answer
    x = 31,033.98

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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.