Home / 33,166.01-45,799.50-21,070.40

Finding the Fourth Proportional to 33,166.01, 45,799.50 and 21,070.40

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Solution

The fourth proportional to 33,166.01, 45,799.50 and 21,070.40 is: 29,096.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,166.01 : 45,799.50 = 21,070.40 : x
  2. Step 2: Convert to fraction form
    33,166.01/45,799.50 = 21,070.40/x
  3. Step 3: Cross multiply
    33,166.01x = 45,799.50 × 21,070.40
  4. Step 4: Simplify right side
    33,166.01x = 965,013,555.80
  5. Step 5: Solve for x
    x = 965,013,555.80/33,166.01
  6. Step 6: Final answer
    x = 29,096.47

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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.