Home / 61,619.22-85,038.45-34,751.91

Finding the Fourth Proportional to 61,619.22, 85,038.45 and 34,751.91

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Solution

The fourth proportional to 61,619.22, 85,038.45 and 34,751.91 is: 47,959.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,619.22 : 85,038.45 = 34,751.91 : x
  2. Step 2: Convert to fraction form
    61,619.22/85,038.45 = 34,751.91/x
  3. Step 3: Cross multiply
    61,619.22x = 85,038.45 × 34,751.91
  4. Step 4: Simplify right side
    61,619.22x = 2,955,248,560.94
  5. Step 5: Solve for x
    x = 2,955,248,560.94/61,619.22
  6. Step 6: Final answer
    x = 47,959.85

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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.