Home / 57,631.29-86,446.93-18,216.08

Finding the Fourth Proportional to 57,631.29, 86,446.93 and 18,216.08

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Solution

The fourth proportional to 57,631.29, 86,446.93 and 18,216.08 is: 27,324.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,631.29 : 86,446.93 = 18,216.08 : x
  2. Step 2: Convert to fraction form
    57,631.29/86,446.93 = 18,216.08/x
  3. Step 3: Cross multiply
    57,631.29x = 86,446.93 × 18,216.08
  4. Step 4: Simplify right side
    57,631.29x = 1,574,724,192.63
  5. Step 5: Solve for x
    x = 1,574,724,192.63/57,631.29
  6. Step 6: Final answer
    x = 27,324.12

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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.