Home / 53,000.28-79,327.34-38,956.60

Finding the Fourth Proportional to 53,000.28, 79,327.34 and 38,956.60

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Solution

The fourth proportional to 53,000.28, 79,327.34 and 38,956.60 is: 58,307.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,000.28 : 79,327.34 = 38,956.60 : x
  2. Step 2: Convert to fraction form
    53,000.28/79,327.34 = 38,956.60/x
  3. Step 3: Cross multiply
    53,000.28x = 79,327.34 × 38,956.60
  4. Step 4: Simplify right side
    53,000.28x = 3,090,323,453.44
  5. Step 5: Solve for x
    x = 3,090,323,453.44/53,000.28
  6. Step 6: Final answer
    x = 58,307.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.