Home / 33,031.72-49,555.15-14,314.90

Finding the Fourth Proportional to 33,031.72, 49,555.15 and 14,314.90

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Solution

The fourth proportional to 33,031.72, 49,555.15 and 14,314.90 is: 21,475.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,031.72 : 49,555.15 = 14,314.90 : x
  2. Step 2: Convert to fraction form
    33,031.72/49,555.15 = 14,314.90/x
  3. Step 3: Cross multiply
    33,031.72x = 49,555.15 × 14,314.90
  4. Step 4: Simplify right side
    33,031.72x = 709,377,030.50
  5. Step 5: Solve for x
    x = 709,377,030.50/33,031.72
  6. Step 6: Final answer
    x = 21,475.63

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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.