Home / 38,970.72-58,464.74-18,182.88

Finding the Fourth Proportional to 38,970.72, 58,464.74 and 18,182.88

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Solution

The fourth proportional to 38,970.72, 58,464.74 and 18,182.88 is: 27,278.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,970.72 : 58,464.74 = 18,182.88 : x
  2. Step 2: Convert to fraction form
    38,970.72/58,464.74 = 18,182.88/x
  3. Step 3: Cross multiply
    38,970.72x = 58,464.74 × 18,182.88
  4. Step 4: Simplify right side
    38,970.72x = 1,063,057,351.65
  5. Step 5: Solve for x
    x = 1,063,057,351.65/38,970.72
  6. Step 6: Final answer
    x = 27,278.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.