Home / 45,251.84-67,861.56-15,661.74

Finding the Fourth Proportional to 45,251.84, 67,861.56 and 15,661.74

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Solution

The fourth proportional to 45,251.84, 67,861.56 and 15,661.74 is: 23,487.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,251.84 : 67,861.56 = 15,661.74 : x
  2. Step 2: Convert to fraction form
    45,251.84/67,861.56 = 15,661.74/x
  3. Step 3: Cross multiply
    45,251.84x = 67,861.56 × 15,661.74
  4. Step 4: Simplify right side
    45,251.84x = 1,062,830,108.71
  5. Step 5: Solve for x
    x = 1,062,830,108.71/45,251.84
  6. Step 6: Final answer
    x = 23,487.00

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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.