Home / 33,247.99-45,856.20-21,312.43

Finding the Fourth Proportional to 33,247.99, 45,856.20 and 21,312.43

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Solution

The fourth proportional to 33,247.99, 45,856.20 and 21,312.43 is: 29,394.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,247.99 : 45,856.20 = 21,312.43 : x
  2. Step 2: Convert to fraction form
    33,247.99/45,856.20 = 21,312.43/x
  3. Step 3: Cross multiply
    33,247.99x = 45,856.20 × 21,312.43
  4. Step 4: Simplify right side
    33,247.99x = 977,307,052.57
  5. Step 5: Solve for x
    x = 977,307,052.57/33,247.99
  6. Step 6: Final answer
    x = 29,394.47

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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.