Home / 55,530.64-83,287.32-18,586

Finding the Fourth Proportional to 55,530.64, 83,287.32 and 18,586

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Solution

The fourth proportional to 55,530.64, 83,287.32 and 18,586 is: 27,876.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,530.64 : 83,287.32 = 18,586 : x
  2. Step 2: Convert to fraction form
    55,530.64/83,287.32 = 18,586/x
  3. Step 3: Cross multiply
    55,530.64x = 83,287.32 × 18,586
  4. Step 4: Simplify right side
    55,530.64x = 1,547,978,129.52
  5. Step 5: Solve for x
    x = 1,547,978,129.52/55,530.64
  6. Step 6: Final answer
    x = 27,876.11

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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.