Home / 57,853.85-86,790.49-18,423.05

Finding the Fourth Proportional to 57,853.85, 86,790.49 and 18,423.05

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Solution

The fourth proportional to 57,853.85, 86,790.49 and 18,423.05 is: 27,637.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,853.85 : 86,790.49 = 18,423.05 : x
  2. Step 2: Convert to fraction form
    57,853.85/86,790.49 = 18,423.05/x
  3. Step 3: Cross multiply
    57,853.85x = 86,790.49 × 18,423.05
  4. Step 4: Simplify right side
    57,853.85x = 1,598,945,056.78
  5. Step 5: Solve for x
    x = 1,598,945,056.78/57,853.85
  6. Step 6: Final answer
    x = 27,637.66

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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.