Home / 34,288.13-51,398.45-20,038.52

Finding the Fourth Proportional to 34,288.13, 51,398.45 and 20,038.52

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Solution

The fourth proportional to 34,288.13, 51,398.45 and 20,038.52 is: 30,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,288.13 : 51,398.45 = 20,038.52 : x
  2. Step 2: Convert to fraction form
    34,288.13/51,398.45 = 20,038.52/x
  3. Step 3: Cross multiply
    34,288.13x = 51,398.45 × 20,038.52
  4. Step 4: Simplify right side
    34,288.13x = 1,029,948,511.11
  5. Step 5: Solve for x
    x = 1,029,948,511.11/34,288.13
  6. Step 6: Final answer
    x = 30,038.05

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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.