Home / 19,821.29-29,731.98-5,030.19

Finding the Fourth Proportional to 19,821.29, 29,731.98 and 5,030.19

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Solution

The fourth proportional to 19,821.29, 29,731.98 and 5,030.19 is: 7,545.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821.29 : 29,731.98 = 5,030.19 : x
  2. Step 2: Convert to fraction form
    19,821.29/29,731.98 = 5,030.19/x
  3. Step 3: Cross multiply
    19,821.29x = 29,731.98 × 5,030.19
  4. Step 4: Simplify right side
    19,821.29x = 149,557,508.48
  5. Step 5: Solve for x
    x = 149,557,508.48/19,821.29
  6. Step 6: Final answer
    x = 7,545.30

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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.