Home / 40,488.36-60,738.98-17,115

Finding the Fourth Proportional to 40,488.36, 60,738.98 and 17,115

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Solution

The fourth proportional to 40,488.36, 60,738.98 and 17,115 is: 25,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,488.36 : 60,738.98 = 17,115 : x
  2. Step 2: Convert to fraction form
    40,488.36/60,738.98 = 17,115/x
  3. Step 3: Cross multiply
    40,488.36x = 60,738.98 × 17,115
  4. Step 4: Simplify right side
    40,488.36x = 1,039,547,642.70
  5. Step 5: Solve for x
    x = 1,039,547,642.70/40,488.36
  6. Step 6: Final answer
    x = 25,675.22

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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.