Home / 51,055.65-76,587.19-13,615.57

Finding the Fourth Proportional to 51,055.65, 76,587.19 and 13,615.57

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Solution

The fourth proportional to 51,055.65, 76,587.19 and 13,615.57 is: 20,424.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,055.65 : 76,587.19 = 13,615.57 : x
  2. Step 2: Convert to fraction form
    51,055.65/76,587.19 = 13,615.57/x
  3. Step 3: Cross multiply
    51,055.65x = 76,587.19 × 13,615.57
  4. Step 4: Simplify right side
    51,055.65x = 1,042,778,308.24
  5. Step 5: Solve for x
    x = 1,042,778,308.24/51,055.65
  6. Step 6: Final answer
    x = 20,424.35

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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.