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Finding the Fourth Proportional to 39,397.60, 59,096.40 and 37,064.80

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Solution

The fourth proportional to 39,397.60, 59,096.40 and 37,064.80 is: 55,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,397.60 : 59,096.40 = 37,064.80 : x
  2. Step 2: Convert to fraction form
    39,397.60/59,096.40 = 37,064.80/x
  3. Step 3: Cross multiply
    39,397.60x = 59,096.40 × 37,064.80
  4. Step 4: Simplify right side
    39,397.60x = 2,190,396,246.72
  5. Step 5: Solve for x
    x = 2,190,396,246.72/39,397.60
  6. Step 6: Final answer
    x = 55,597.20

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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.