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Finding the Fourth Proportional to 40,667.76, 56,124 and 22,763.88

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Solution

The fourth proportional to 40,667.76, 56,124 and 22,763.88 is: 31,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,667.76 : 56,124 = 22,763.88 : x
  2. Step 2: Convert to fraction form
    40,667.76/56,124 = 22,763.88/x
  3. Step 3: Cross multiply
    40,667.76x = 56,124 × 22,763.88
  4. Step 4: Simplify right side
    40,667.76x = 1,277,600,001.12
  5. Step 5: Solve for x
    x = 1,277,600,001.12/40,667.76
  6. Step 6: Final answer
    x = 31,415.55

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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.