Home / 34,376.76-47,431.08-20,226.96

Finding the Fourth Proportional to 34,376.76, 47,431.08 and 20,226.96

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Solution

The fourth proportional to 34,376.76, 47,431.08 and 20,226.96 is: 27,908.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,376.76 : 47,431.08 = 20,226.96 : x
  2. Step 2: Convert to fraction form
    34,376.76/47,431.08 = 20,226.96/x
  3. Step 3: Cross multiply
    34,376.76x = 47,431.08 × 20,226.96
  4. Step 4: Simplify right side
    34,376.76x = 959,386,557.92
  5. Step 5: Solve for x
    x = 959,386,557.92/34,376.76
  6. Step 6: Final answer
    x = 27,908.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.