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Finding the Fourth Proportional to 57,327.75, 79,119.57 and 34,666.89

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Solution

The fourth proportional to 57,327.75, 79,119.57 and 34,666.89 is: 47,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,327.75 : 79,119.57 = 34,666.89 : x
  2. Step 2: Convert to fraction form
    57,327.75/79,119.57 = 34,666.89/x
  3. Step 3: Cross multiply
    57,327.75x = 79,119.57 × 34,666.89
  4. Step 4: Simplify right side
    57,327.75x = 2,742,829,627.84
  5. Step 5: Solve for x
    x = 2,742,829,627.84/57,327.75
  6. Step 6: Final answer
    x = 47,844.72

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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.