Home / 55,815.04-83,734.88-18,386.56

Finding the Fourth Proportional to 55,815.04, 83,734.88 and 18,386.56

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Solution

The fourth proportional to 55,815.04, 83,734.88 and 18,386.56 is: 27,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,815.04 : 83,734.88 = 18,386.56 : x
  2. Step 2: Convert to fraction form
    55,815.04/83,734.88 = 18,386.56/x
  3. Step 3: Cross multiply
    55,815.04x = 83,734.88 × 18,386.56
  4. Step 4: Simplify right side
    55,815.04x = 1,539,596,395.21
  5. Step 5: Solve for x
    x = 1,539,596,395.21/55,815.04
  6. Step 6: Final answer
    x = 27,583.90

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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.