Home / 55,417.13-83,113.04-22,128.26

Finding the Fourth Proportional to 55,417.13, 83,113.04 and 22,128.26

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Solution

The fourth proportional to 55,417.13, 83,113.04 and 22,128.26 is: 33,187.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,417.13 : 83,113.04 = 22,128.26 : x
  2. Step 2: Convert to fraction form
    55,417.13/83,113.04 = 22,128.26/x
  3. Step 3: Cross multiply
    55,417.13x = 83,113.04 × 22,128.26
  4. Step 4: Simplify right side
    55,417.13x = 1,839,146,909.94
  5. Step 5: Solve for x
    x = 1,839,146,909.94/55,417.13
  6. Step 6: Final answer
    x = 33,187.33

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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.