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Finding the Fourth Proportional to 71,000.40, 106,410.15 and 37,736.40

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Solution

The fourth proportional to 71,000.40, 106,410.15 and 37,736.40 is: 56,556.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,000.40 : 106,410.15 = 37,736.40 : x
  2. Step 2: Convert to fraction form
    71,000.40/106,410.15 = 37,736.40/x
  3. Step 3: Cross multiply
    71,000.40x = 106,410.15 × 37,736.40
  4. Step 4: Simplify right side
    71,000.40x = 4,015,535,984.46
  5. Step 5: Solve for x
    x = 4,015,535,984.46/71,000.40
  6. Step 6: Final answer
    x = 56,556.53

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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.