Home / 55,358.36-83,017.15-19,810.04

Finding the Fourth Proportional to 55,358.36, 83,017.15 and 19,810.04

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Solution

The fourth proportional to 55,358.36, 83,017.15 and 19,810.04 is: 29,707.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,358.36 : 83,017.15 = 19,810.04 : x
  2. Step 2: Convert to fraction form
    55,358.36/83,017.15 = 19,810.04/x
  3. Step 3: Cross multiply
    55,358.36x = 83,017.15 × 19,810.04
  4. Step 4: Simplify right side
    55,358.36x = 1,644,572,647.10
  5. Step 5: Solve for x
    x = 1,644,572,647.10/55,358.36
  6. Step 6: Final answer
    x = 29,707.76

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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.