Home / 37,812.40-56,740.20-14,455.60

Finding the Fourth Proportional to 37,812.40, 56,740.20 and 14,455.60

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Solution

The fourth proportional to 37,812.40, 56,740.20 and 14,455.60 is: 21,691.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,812.40 : 56,740.20 = 14,455.60 : x
  2. Step 2: Convert to fraction form
    37,812.40/56,740.20 = 14,455.60/x
  3. Step 3: Cross multiply
    37,812.40x = 56,740.20 × 14,455.60
  4. Step 4: Simplify right side
    37,812.40x = 820,213,635.12
  5. Step 5: Solve for x
    x = 820,213,635.12/37,812.40
  6. Step 6: Final answer
    x = 21,691.66

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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.