Home / 33,239.20-45,869.76-18,335.20

Finding the Fourth Proportional to 33,239.20, 45,869.76 and 18,335.20

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Solution

The fourth proportional to 33,239.20, 45,869.76 and 18,335.20 is: 25,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,239.20 : 45,869.76 = 18,335.20 : x
  2. Step 2: Convert to fraction form
    33,239.20/45,869.76 = 18,335.20/x
  3. Step 3: Cross multiply
    33,239.20x = 45,869.76 × 18,335.20
  4. Step 4: Simplify right side
    33,239.20x = 841,031,223.55
  5. Step 5: Solve for x
    x = 841,031,223.55/33,239.20
  6. Step 6: Final answer
    x = 25,302.39

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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.