Home / 58,419.78-87,546.33-45,042.18

Finding the Fourth Proportional to 58,419.78, 87,546.33 and 45,042.18

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Solution

The fourth proportional to 58,419.78, 87,546.33 and 45,042.18 is: 67,499.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,419.78 : 87,546.33 = 45,042.18 : x
  2. Step 2: Convert to fraction form
    58,419.78/87,546.33 = 45,042.18/x
  3. Step 3: Cross multiply
    58,419.78x = 87,546.33 × 45,042.18
  4. Step 4: Simplify right side
    58,419.78x = 3,943,277,554.20
  5. Step 5: Solve for x
    x = 3,943,277,554.20/58,419.78
  6. Step 6: Final answer
    x = 67,499.01

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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.