Home / 54,479.63-75,177.85-30,610.28

Finding the Fourth Proportional to 54,479.63, 75,177.85 and 30,610.28

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Solution

The fourth proportional to 54,479.63, 75,177.85 and 30,610.28 is: 42,239.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,479.63 : 75,177.85 = 30,610.28 : x
  2. Step 2: Convert to fraction form
    54,479.63/75,177.85 = 30,610.28/x
  3. Step 3: Cross multiply
    54,479.63x = 75,177.85 × 30,610.28
  4. Step 4: Simplify right side
    54,479.63x = 2,301,215,038.30
  5. Step 5: Solve for x
    x = 2,301,215,038.30/54,479.63
  6. Step 6: Final answer
    x = 42,239.92

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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.