Home / 55,989.16-83,988.20-18,547.72

Finding the Fourth Proportional to 55,989.16, 83,988.20 and 18,547.72

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Solution

The fourth proportional to 55,989.16, 83,988.20 and 18,547.72 is: 27,823.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,989.16 : 83,988.20 = 18,547.72 : x
  2. Step 2: Convert to fraction form
    55,989.16/83,988.20 = 18,547.72/x
  3. Step 3: Cross multiply
    55,989.16x = 83,988.20 × 18,547.72
  4. Step 4: Simplify right side
    55,989.16x = 1,557,789,616.90
  5. Step 5: Solve for x
    x = 1,557,789,616.90/55,989.16
  6. Step 6: Final answer
    x = 27,823.06

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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.