Home / 34,065.76-47,013.20-18,959.60

Finding the Fourth Proportional to 34,065.76, 47,013.20 and 18,959.60

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Solution

The fourth proportional to 34,065.76, 47,013.20 and 18,959.60 is: 26,165.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,065.76 : 47,013.20 = 18,959.60 : x
  2. Step 2: Convert to fraction form
    34,065.76/47,013.20 = 18,959.60/x
  3. Step 3: Cross multiply
    34,065.76x = 47,013.20 × 18,959.60
  4. Step 4: Simplify right side
    34,065.76x = 891,351,466.72
  5. Step 5: Solve for x
    x = 891,351,466.72/34,065.76
  6. Step 6: Final answer
    x = 26,165.61

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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.