Home / 40,176.58-55,437.84-22,271.58

Finding the Fourth Proportional to 40,176.58, 55,437.84 and 22,271.58

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Solution

The fourth proportional to 40,176.58, 55,437.84 and 22,271.58 is: 30,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,176.58 : 55,437.84 = 22,271.58 : x
  2. Step 2: Convert to fraction form
    40,176.58/55,437.84 = 22,271.58/x
  3. Step 3: Cross multiply
    40,176.58x = 55,437.84 × 22,271.58
  4. Step 4: Simplify right side
    40,176.58x = 1,234,688,288.59
  5. Step 5: Solve for x
    x = 1,234,688,288.59/40,176.58
  6. Step 6: Final answer
    x = 30,731.54

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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.