Home / 33,312.90-45,972.40-18,206.20

Finding the Fourth Proportional to 33,312.90, 45,972.40 and 18,206.20

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Solution

The fourth proportional to 33,312.90, 45,972.40 and 18,206.20 is: 25,124.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,312.90 : 45,972.40 = 18,206.20 : x
  2. Step 2: Convert to fraction form
    33,312.90/45,972.40 = 18,206.20/x
  3. Step 3: Cross multiply
    33,312.90x = 45,972.40 × 18,206.20
  4. Step 4: Simplify right side
    33,312.90x = 836,982,708.88
  5. Step 5: Solve for x
    x = 836,982,708.88/33,312.90
  6. Step 6: Final answer
    x = 25,124.88

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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.