Home / 51,601.04-77,436.08-18,769.04

Finding the Fourth Proportional to 51,601.04, 77,436.08 and 18,769.04

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Solution

The fourth proportional to 51,601.04, 77,436.08 and 18,769.04 is: 28,166.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,601.04 : 77,436.08 = 18,769.04 : x
  2. Step 2: Convert to fraction form
    51,601.04/77,436.08 = 18,769.04/x
  3. Step 3: Cross multiply
    51,601.04x = 77,436.08 × 18,769.04
  4. Step 4: Simplify right side
    51,601.04x = 1,453,400,882.96
  5. Step 5: Solve for x
    x = 1,453,400,882.96/51,601.04
  6. Step 6: Final answer
    x = 28,166.12

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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.