Home / 20,351.08-30,521.71-5,560.08

Finding the Fourth Proportional to 20,351.08, 30,521.71 and 5,560.08

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Solution

The fourth proportional to 20,351.08, 30,521.71 and 5,560.08 is: 8,338.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351.08 : 30,521.71 = 5,560.08 : x
  2. Step 2: Convert to fraction form
    20,351.08/30,521.71 = 5,560.08/x
  3. Step 3: Cross multiply
    20,351.08x = 30,521.71 × 5,560.08
  4. Step 4: Simplify right side
    20,351.08x = 169,703,041.83
  5. Step 5: Solve for x
    x = 169,703,041.83/20,351.08
  6. Step 6: Final answer
    x = 8,338.77

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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.