Home / 32,876.28-49,307.13-13,149.54

Finding the Fourth Proportional to 32,876.28, 49,307.13 and 13,149.54

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Solution

The fourth proportional to 32,876.28, 49,307.13 and 13,149.54 is: 19,721.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,876.28 : 49,307.13 = 13,149.54 : x
  2. Step 2: Convert to fraction form
    32,876.28/49,307.13 = 13,149.54/x
  3. Step 3: Cross multiply
    32,876.28x = 49,307.13 × 13,149.54
  4. Step 4: Simplify right side
    32,876.28x = 648,366,078.22
  5. Step 5: Solve for x
    x = 648,366,078.22/32,876.28
  6. Step 6: Final answer
    x = 19,721.39

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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.