Home / 54,780.03-75,598.70-30,906.59

Finding the Fourth Proportional to 54,780.03, 75,598.70 and 30,906.59

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Solution

The fourth proportional to 54,780.03, 75,598.70 and 30,906.59 is: 42,652.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,780.03 : 75,598.70 = 30,906.59 : x
  2. Step 2: Convert to fraction form
    54,780.03/75,598.70 = 30,906.59/x
  3. Step 3: Cross multiply
    54,780.03x = 75,598.70 × 30,906.59
  4. Step 4: Simplify right side
    54,780.03x = 2,336,497,492.91
  5. Step 5: Solve for x
    x = 2,336,497,492.91/54,780.03
  6. Step 6: Final answer
    x = 42,652.36

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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.