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Finding the Fourth Proportional to 40,097.60, 60,145.70 and 13,801.76

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Solution

The fourth proportional to 40,097.60, 60,145.70 and 13,801.76 is: 20,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,097.60 : 60,145.70 = 13,801.76 : x
  2. Step 2: Convert to fraction form
    40,097.60/60,145.70 = 13,801.76/x
  3. Step 3: Cross multiply
    40,097.60x = 60,145.70 × 13,801.76
  4. Step 4: Simplify right side
    40,097.60x = 830,116,516.43
  5. Step 5: Solve for x
    x = 830,116,516.43/40,097.60
  6. Step 6: Final answer
    x = 20,702.40

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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.