Home / 55,890.10-83,843.48-18,454.13

Finding the Fourth Proportional to 55,890.10, 83,843.48 and 18,454.13

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Solution

The fourth proportional to 55,890.10, 83,843.48 and 18,454.13 is: 27,683.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,890.10 : 83,843.48 = 18,454.13 : x
  2. Step 2: Convert to fraction form
    55,890.10/83,843.48 = 18,454.13/x
  3. Step 3: Cross multiply
    55,890.10x = 83,843.48 × 18,454.13
  4. Step 4: Simplify right side
    55,890.10x = 1,547,258,106.49
  5. Step 5: Solve for x
    x = 1,547,258,106.49/55,890.10
  6. Step 6: Final answer
    x = 27,683.94

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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.