Home / 40,437.12-55,798.72-22,530.72

Finding the Fourth Proportional to 40,437.12, 55,798.72 and 22,530.72

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Solution

The fourth proportional to 40,437.12, 55,798.72 and 22,530.72 is: 31,089.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,437.12 : 55,798.72 = 22,530.72 : x
  2. Step 2: Convert to fraction form
    40,437.12/55,798.72 = 22,530.72/x
  3. Step 3: Cross multiply
    40,437.12x = 55,798.72 × 22,530.72
  4. Step 4: Simplify right side
    40,437.12x = 1,257,185,336.68
  5. Step 5: Solve for x
    x = 1,257,185,336.68/40,437.12
  6. Step 6: Final answer
    x = 31,089.88

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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.