Home / 55,265.85-76,266.86-30,115.35

Finding the Fourth Proportional to 55,265.85, 76,266.86 and 30,115.35

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Solution

The fourth proportional to 55,265.85, 76,266.86 and 30,115.35 is: 41,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,265.85 : 76,266.86 = 30,115.35 : x
  2. Step 2: Convert to fraction form
    55,265.85/76,266.86 = 30,115.35/x
  3. Step 3: Cross multiply
    55,265.85x = 76,266.86 × 30,115.35
  4. Step 4: Simplify right side
    55,265.85x = 2,296,803,031.72
  5. Step 5: Solve for x
    x = 2,296,803,031.72/55,265.85
  6. Step 6: Final answer
    x = 41,559.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.