Home / 42,576.84-58,779.68-25,585.28

Finding the Fourth Proportional to 42,576.84, 58,779.68 and 25,585.28

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Solution

The fourth proportional to 42,576.84, 58,779.68 and 25,585.28 is: 35,321.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,576.84 : 58,779.68 = 25,585.28 : x
  2. Step 2: Convert to fraction form
    42,576.84/58,779.68 = 25,585.28/x
  3. Step 3: Cross multiply
    42,576.84x = 58,779.68 × 25,585.28
  4. Step 4: Simplify right side
    42,576.84x = 1,503,894,571.11
  5. Step 5: Solve for x
    x = 1,503,894,571.11/42,576.84
  6. Step 6: Final answer
    x = 35,321.89

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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.