Home / 35,013.80-52,437.18-20,191.72

Finding the Fourth Proportional to 35,013.80, 52,437.18 and 20,191.72

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Solution

The fourth proportional to 35,013.80, 52,437.18 and 20,191.72 is: 30,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,013.80 : 52,437.18 = 20,191.72 : x
  2. Step 2: Convert to fraction form
    35,013.80/52,437.18 = 20,191.72/x
  3. Step 3: Cross multiply
    35,013.80x = 52,437.18 × 20,191.72
  4. Step 4: Simplify right side
    35,013.80x = 1,058,796,856.15
  5. Step 5: Solve for x
    x = 1,058,796,856.15/35,013.80
  6. Step 6: Final answer
    x = 30,239.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.