Home / 38,412.42-57,580.74-18,398.80

Finding the Fourth Proportional to 38,412.42, 57,580.74 and 18,398.80

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Solution

The fourth proportional to 38,412.42, 57,580.74 and 18,398.80 is: 27,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,412.42 : 57,580.74 = 18,398.80 : x
  2. Step 2: Convert to fraction form
    38,412.42/57,580.74 = 18,398.80/x
  3. Step 3: Cross multiply
    38,412.42x = 57,580.74 × 18,398.80
  4. Step 4: Simplify right side
    38,412.42x = 1,059,416,519.11
  5. Step 5: Solve for x
    x = 1,059,416,519.11/38,412.42
  6. Step 6: Final answer
    x = 27,580.05

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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.