Home / 54,031.08-74,562.92-30,157.74

Finding the Fourth Proportional to 54,031.08, 74,562.92 and 30,157.74

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Solution

The fourth proportional to 54,031.08, 74,562.92 and 30,157.74 is: 41,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,031.08 : 74,562.92 = 30,157.74 : x
  2. Step 2: Convert to fraction form
    54,031.08/74,562.92 = 30,157.74/x
  3. Step 3: Cross multiply
    54,031.08x = 74,562.92 × 30,157.74
  4. Step 4: Simplify right side
    54,031.08x = 2,248,649,155.00
  5. Step 5: Solve for x
    x = 2,248,649,155.00/54,031.08
  6. Step 6: Final answer
    x = 41,617.70

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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.