Home / 34,397.80-51,572.23-13,320.05

Finding the Fourth Proportional to 34,397.80, 51,572.23 and 13,320.05

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Solution

The fourth proportional to 34,397.80, 51,572.23 and 13,320.05 is: 19,970.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,397.80 : 51,572.23 = 13,320.05 : x
  2. Step 2: Convert to fraction form
    34,397.80/51,572.23 = 13,320.05/x
  3. Step 3: Cross multiply
    34,397.80x = 51,572.23 × 13,320.05
  4. Step 4: Simplify right side
    34,397.80x = 686,944,391.05
  5. Step 5: Solve for x
    x = 686,944,391.05/34,397.80
  6. Step 6: Final answer
    x = 19,970.59

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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.