Home / 19,821.32-29,731.92-5,030.22

Finding the Fourth Proportional to 19,821.32, 29,731.92 and 5,030.22

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Solution

The fourth proportional to 19,821.32, 29,731.92 and 5,030.22 is: 7,545.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821.32 : 29,731.92 = 5,030.22 : x
  2. Step 2: Convert to fraction form
    19,821.32/29,731.92 = 5,030.22/x
  3. Step 3: Cross multiply
    19,821.32x = 29,731.92 × 5,030.22
  4. Step 4: Simplify right side
    19,821.32x = 149,558,098.62
  5. Step 5: Solve for x
    x = 149,558,098.62/19,821.32
  6. Step 6: Final answer
    x = 7,545.31

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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.