Home / 40,176.74-55,443.90-22,271.70

Finding the Fourth Proportional to 40,176.74, 55,443.90 and 22,271.70

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Solution

The fourth proportional to 40,176.74, 55,443.90 and 22,271.70 is: 30,734.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,176.74 : 55,443.90 = 22,271.70 : x
  2. Step 2: Convert to fraction form
    40,176.74/55,443.90 = 22,271.70/x
  3. Step 3: Cross multiply
    40,176.74x = 55,443.90 × 22,271.70
  4. Step 4: Simplify right side
    40,176.74x = 1,234,829,907.63
  5. Step 5: Solve for x
    x = 1,234,829,907.63/40,176.74
  6. Step 6: Final answer
    x = 30,734.95

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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.