Home / 43,036.65-64,580.13-18,074.88

Finding the Fourth Proportional to 43,036.65, 64,580.13 and 18,074.88

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Solution

The fourth proportional to 43,036.65, 64,580.13 and 18,074.88 is: 27,122.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,036.65 : 64,580.13 = 18,074.88 : x
  2. Step 2: Convert to fraction form
    43,036.65/64,580.13 = 18,074.88/x
  3. Step 3: Cross multiply
    43,036.65x = 64,580.13 × 18,074.88
  4. Step 4: Simplify right side
    43,036.65x = 1,167,278,100.13
  5. Step 5: Solve for x
    x = 1,167,278,100.13/43,036.65
  6. Step 6: Final answer
    x = 27,122.88

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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.