Home / 61,511.55-84,888.76-34,289.43

Finding the Fourth Proportional to 61,511.55, 84,888.76 and 34,289.43

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Solution

The fourth proportional to 61,511.55, 84,888.76 and 34,289.43 is: 47,320.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,511.55 : 84,888.76 = 34,289.43 : x
  2. Step 2: Convert to fraction form
    61,511.55/84,888.76 = 34,289.43/x
  3. Step 3: Cross multiply
    61,511.55x = 84,888.76 × 34,289.43
  4. Step 4: Simplify right side
    61,511.55x = 2,910,786,854.04
  5. Step 5: Solve for x
    x = 2,910,786,854.04/61,511.55
  6. Step 6: Final answer
    x = 47,320.98

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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.