Home / 55,553.88-76,667.74-31,685.16

Finding the Fourth Proportional to 55,553.88, 76,667.74 and 31,685.16

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Solution

The fourth proportional to 55,553.88, 76,667.74 and 31,685.16 is: 43,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,553.88 : 76,667.74 = 31,685.16 : x
  2. Step 2: Convert to fraction form
    55,553.88/76,667.74 = 31,685.16/x
  3. Step 3: Cross multiply
    55,553.88x = 76,667.74 × 31,685.16
  4. Step 4: Simplify right side
    55,553.88x = 2,429,229,608.74
  5. Step 5: Solve for x
    x = 2,429,229,608.74/55,553.88
  6. Step 6: Final answer
    x = 43,727.45

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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.