Home / 33,000.10-45,528.17-21,675.72

Finding the Fourth Proportional to 33,000.10, 45,528.17 and 21,675.72

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Solution

The fourth proportional to 33,000.10, 45,528.17 and 21,675.72 is: 29,904.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,000.10 : 45,528.17 = 21,675.72 : x
  2. Step 2: Convert to fraction form
    33,000.10/45,528.17 = 21,675.72/x
  3. Step 3: Cross multiply
    33,000.10x = 45,528.17 × 21,675.72
  4. Step 4: Simplify right side
    33,000.10x = 986,855,865.03
  5. Step 5: Solve for x
    x = 986,855,865.03/33,000.10
  6. Step 6: Final answer
    x = 29,904.63

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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.