Home / 34,657.14-52,021.60-21,339.72

Finding the Fourth Proportional to 34,657.14, 52,021.60 and 21,339.72

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Solution

The fourth proportional to 34,657.14, 52,021.60 and 21,339.72 is: 32,031.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,657.14 : 52,021.60 = 21,339.72 : x
  2. Step 2: Convert to fraction form
    34,657.14/52,021.60 = 21,339.72/x
  3. Step 3: Cross multiply
    34,657.14x = 52,021.60 × 21,339.72
  4. Step 4: Simplify right side
    34,657.14x = 1,110,126,377.95
  5. Step 5: Solve for x
    x = 1,110,126,377.95/34,657.14
  6. Step 6: Final answer
    x = 32,031.68

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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.