Home / 33,139.06-45,731.90-19,000.10

Finding the Fourth Proportional to 33,139.06, 45,731.90 and 19,000.10

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Solution

The fourth proportional to 33,139.06, 45,731.90 and 19,000.10 is: 26,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,139.06 : 45,731.90 = 19,000.10 : x
  2. Step 2: Convert to fraction form
    33,139.06/45,731.90 = 19,000.10/x
  3. Step 3: Cross multiply
    33,139.06x = 45,731.90 × 19,000.10
  4. Step 4: Simplify right side
    33,139.06x = 868,910,673.19
  5. Step 5: Solve for x
    x = 868,910,673.19/33,139.06
  6. Step 6: Final answer
    x = 26,220.14

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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.