Home / 55,055.40-82,566.90-15,615.96

Finding the Fourth Proportional to 55,055.40, 82,566.90 and 15,615.96

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Solution

The fourth proportional to 55,055.40, 82,566.90 and 15,615.96 is: 23,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,055.40 : 82,566.90 = 15,615.96 : x
  2. Step 2: Convert to fraction form
    55,055.40/82,566.90 = 15,615.96/x
  3. Step 3: Cross multiply
    55,055.40x = 82,566.90 × 15,615.96
  4. Step 4: Simplify right side
    55,055.40x = 1,289,361,407.72
  5. Step 5: Solve for x
    x = 1,289,361,407.72/55,055.40
  6. Step 6: Final answer
    x = 23,419.35

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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.