Home / 51,161.08-76,736.76-17,875

Finding the Fourth Proportional to 51,161.08, 76,736.76 and 17,875

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Solution

The fourth proportional to 51,161.08, 76,736.76 and 17,875 is: 26,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,161.08 : 76,736.76 = 17,875 : x
  2. Step 2: Convert to fraction form
    51,161.08/76,736.76 = 17,875/x
  3. Step 3: Cross multiply
    51,161.08x = 76,736.76 × 17,875
  4. Step 4: Simplify right side
    51,161.08x = 1,371,669,585
  5. Step 5: Solve for x
    x = 1,371,669,585/51,161.08
  6. Step 6: Final answer
    x = 26,810.80

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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.