Home / 57,719.04-86,598-28,131.36

Finding the Fourth Proportional to 57,719.04, 86,598 and 28,131.36

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Solution

The fourth proportional to 57,719.04, 86,598 and 28,131.36 is: 42,206.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,719.04 : 86,598 = 28,131.36 : x
  2. Step 2: Convert to fraction form
    57,719.04/86,598 = 28,131.36/x
  3. Step 3: Cross multiply
    57,719.04x = 86,598 × 28,131.36
  4. Step 4: Simplify right side
    57,719.04x = 2,436,119,513.28
  5. Step 5: Solve for x
    x = 2,436,119,513.28/57,719.04
  6. Step 6: Final answer
    x = 42,206.51

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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.