Home / 45,039.69-67,540.28-15,460.52

Finding the Fourth Proportional to 45,039.69, 67,540.28 and 15,460.52

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Solution

The fourth proportional to 45,039.69, 67,540.28 and 15,460.52 is: 23,184.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,039.69 : 67,540.28 = 15,460.52 : x
  2. Step 2: Convert to fraction form
    45,039.69/67,540.28 = 15,460.52/x
  3. Step 3: Cross multiply
    45,039.69x = 67,540.28 × 15,460.52
  4. Step 4: Simplify right side
    45,039.69x = 1,044,207,434.74
  5. Step 5: Solve for x
    x = 1,044,207,434.74/45,039.69
  6. Step 6: Final answer
    x = 23,184.16

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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.