Home / 55,553.16-76,665.16-30,402.64

Finding the Fourth Proportional to 55,553.16, 76,665.16 and 30,402.64

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Solution

The fourth proportional to 55,553.16, 76,665.16 and 30,402.64 is: 41,956.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,553.16 : 76,665.16 = 30,402.64 : x
  2. Step 2: Convert to fraction form
    55,553.16/76,665.16 = 30,402.64/x
  3. Step 3: Cross multiply
    55,553.16x = 76,665.16 × 30,402.64
  4. Step 4: Simplify right side
    55,553.16x = 2,330,823,260.02
  5. Step 5: Solve for x
    x = 2,330,823,260.02/55,553.16
  6. Step 6: Final answer
    x = 41,956.63

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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.