Home / 36,064.71-54,071.55-12,360.87

Finding the Fourth Proportional to 36,064.71, 54,071.55 and 12,360.87

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Solution

The fourth proportional to 36,064.71, 54,071.55 and 12,360.87 is: 18,532.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,064.71 : 54,071.55 = 12,360.87 : x
  2. Step 2: Convert to fraction form
    36,064.71/54,071.55 = 12,360.87/x
  3. Step 3: Cross multiply
    36,064.71x = 54,071.55 × 12,360.87
  4. Step 4: Simplify right side
    36,064.71x = 668,371,400.25
  5. Step 5: Solve for x
    x = 668,371,400.25/36,064.71
  6. Step 6: Final answer
    x = 18,532.56

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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.