Home / 41,038.90-61,567.86-12,961.74

Finding the Fourth Proportional to 41,038.90, 61,567.86 and 12,961.74

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Solution

The fourth proportional to 41,038.90, 61,567.86 and 12,961.74 is: 19,445.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,038.90 : 61,567.86 = 12,961.74 : x
  2. Step 2: Convert to fraction form
    41,038.90/61,567.86 = 12,961.74/x
  3. Step 3: Cross multiply
    41,038.90x = 61,567.86 × 12,961.74
  4. Step 4: Simplify right side
    41,038.90x = 798,026,593.68
  5. Step 5: Solve for x
    x = 798,026,593.68/41,038.90
  6. Step 6: Final answer
    x = 19,445.61

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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.