Home / 53,115.29-79,722.15-26,838.49

Finding the Fourth Proportional to 53,115.29, 79,722.15 and 26,838.49

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Solution

The fourth proportional to 53,115.29, 79,722.15 and 26,838.49 is: 40,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,115.29 : 79,722.15 = 26,838.49 : x
  2. Step 2: Convert to fraction form
    53,115.29/79,722.15 = 26,838.49/x
  3. Step 3: Cross multiply
    53,115.29x = 79,722.15 × 26,838.49
  4. Step 4: Simplify right side
    53,115.29x = 2,139,622,050.57
  5. Step 5: Solve for x
    x = 2,139,622,050.57/53,115.29
  6. Step 6: Final answer
    x = 40,282.60

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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.