Home / 53,302.11-79,926.40-17,750.87

Finding the Fourth Proportional to 53,302.11, 79,926.40 and 17,750.87

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Solution

The fourth proportional to 53,302.11, 79,926.40 and 17,750.87 is: 26,617.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,302.11 : 79,926.40 = 17,750.87 : x
  2. Step 2: Convert to fraction form
    53,302.11/79,926.40 = 17,750.87/x
  3. Step 3: Cross multiply
    53,302.11x = 79,926.40 × 17,750.87
  4. Step 4: Simplify right side
    53,302.11x = 1,418,763,295.52
  5. Step 5: Solve for x
    x = 1,418,763,295.52/53,302.11
  6. Step 6: Final answer
    x = 26,617.39

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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.