Home / 55,553.32-76,663.73-30,402.82

Finding the Fourth Proportional to 55,553.32, 76,663.73 and 30,402.82

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Solution

The fourth proportional to 55,553.32, 76,663.73 and 30,402.82 is: 41,955.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,553.32 : 76,663.73 = 30,402.82 : x
  2. Step 2: Convert to fraction form
    55,553.32/76,663.73 = 30,402.82/x
  3. Step 3: Cross multiply
    55,553.32x = 76,663.73 × 30,402.82
  4. Step 4: Simplify right side
    55,553.32x = 2,330,793,583.72
  5. Step 5: Solve for x
    x = 2,330,793,583.72/55,553.32
  6. Step 6: Final answer
    x = 41,955.97

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1.5x scale

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.