Home / 34,085.57-51,124.77-9,128.18

Finding the Fourth Proportional to 34,085.57, 51,124.77 and 9,128.18

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Solution

The fourth proportional to 34,085.57, 51,124.77 and 9,128.18 is: 13,691.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,085.57 : 51,124.77 = 9,128.18 : x
  2. Step 2: Convert to fraction form
    34,085.57/51,124.77 = 9,128.18/x
  3. Step 3: Cross multiply
    34,085.57x = 51,124.77 × 9,128.18
  4. Step 4: Simplify right side
    34,085.57x = 466,676,230.83
  5. Step 5: Solve for x
    x = 466,676,230.83/34,085.57
  6. Step 6: Final answer
    x = 13,691.32

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1.5x scale

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.