Home / 53,281.17-79,921.80-13,834.98

Finding the Fourth Proportional to 53,281.17, 79,921.80 and 13,834.98

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Solution

The fourth proportional to 53,281.17, 79,921.80 and 13,834.98 is: 20,752.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,281.17 : 79,921.80 = 13,834.98 : x
  2. Step 2: Convert to fraction form
    53,281.17/79,921.80 = 13,834.98/x
  3. Step 3: Cross multiply
    53,281.17x = 79,921.80 × 13,834.98
  4. Step 4: Simplify right side
    53,281.17x = 1,105,716,504.56
  5. Step 5: Solve for x
    x = 1,105,716,504.56/53,281.17
  6. Step 6: Final answer
    x = 20,752.48

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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.