Home / 57,853.65-86,776.83-18,439.05

Finding the Fourth Proportional to 57,853.65, 86,776.83 and 18,439.05

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Solution

The fourth proportional to 57,853.65, 86,776.83 and 18,439.05 is: 27,657.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,853.65 : 86,776.83 = 18,439.05 : x
  2. Step 2: Convert to fraction form
    57,853.65/86,776.83 = 18,439.05/x
  3. Step 3: Cross multiply
    57,853.65x = 86,776.83 × 18,439.05
  4. Step 4: Simplify right side
    57,853.65x = 1,600,082,307.21
  5. Step 5: Solve for x
    x = 1,600,082,307.21/57,853.65
  6. Step 6: Final answer
    x = 27,657.41

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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.