Home / 55,332.74-76,348.38-31,455.34

Finding the Fourth Proportional to 55,332.74, 76,348.38 and 31,455.34

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Solution

The fourth proportional to 55,332.74, 76,348.38 and 31,455.34 is: 43,402.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,332.74 : 76,348.38 = 31,455.34 : x
  2. Step 2: Convert to fraction form
    55,332.74/76,348.38 = 31,455.34/x
  3. Step 3: Cross multiply
    55,332.74x = 76,348.38 × 31,455.34
  4. Step 4: Simplify right side
    55,332.74x = 2,401,564,251.35
  5. Step 5: Solve for x
    x = 2,401,564,251.35/55,332.74
  6. Step 6: Final answer
    x = 43,402.23

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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.