Home / 55,723.80-83,585.40-13,604.10

Finding the Fourth Proportional to 55,723.80, 83,585.40 and 13,604.10

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Solution

The fourth proportional to 55,723.80, 83,585.40 and 13,604.10 is: 20,406.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,723.80 : 83,585.40 = 13,604.10 : x
  2. Step 2: Convert to fraction form
    55,723.80/83,585.40 = 13,604.10/x
  3. Step 3: Cross multiply
    55,723.80x = 83,585.40 × 13,604.10
  4. Step 4: Simplify right side
    55,723.80x = 1,137,104,140.14
  5. Step 5: Solve for x
    x = 1,137,104,140.14/55,723.80
  6. Step 6: Final answer
    x = 20,406.08

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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.