Home / 55,972.80-83,957.40-18,534.60

Finding the Fourth Proportional to 55,972.80, 83,957.40 and 18,534.60

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Solution

The fourth proportional to 55,972.80, 83,957.40 and 18,534.60 is: 27,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,972.80 : 83,957.40 = 18,534.60 : x
  2. Step 2: Convert to fraction form
    55,972.80/83,957.40 = 18,534.60/x
  3. Step 3: Cross multiply
    55,972.80x = 83,957.40 × 18,534.60
  4. Step 4: Simplify right side
    55,972.80x = 1,556,116,826.04
  5. Step 5: Solve for x
    x = 1,556,116,826.04/55,972.80
  6. Step 6: Final answer
    x = 27,801.30

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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.