Home / 56,719.71-85,079.56-15,165.63

Finding the Fourth Proportional to 56,719.71, 85,079.56 and 15,165.63

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Solution

The fourth proportional to 56,719.71, 85,079.56 and 15,165.63 is: 22,748.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,719.71 : 85,079.56 = 15,165.63 : x
  2. Step 2: Convert to fraction form
    56,719.71/85,079.56 = 15,165.63/x
  3. Step 3: Cross multiply
    56,719.71x = 85,079.56 × 15,165.63
  4. Step 4: Simplify right side
    56,719.71x = 1,290,285,127.52
  5. Step 5: Solve for x
    x = 1,290,285,127.52/56,719.71
  6. Step 6: Final answer
    x = 22,748.44

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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.