Home / 57,790.80-86,685.93-18,350.91

Finding the Fourth Proportional to 57,790.80, 86,685.93 and 18,350.91

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Solution

The fourth proportional to 57,790.80, 86,685.93 and 18,350.91 is: 27,526.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,790.80 : 86,685.93 = 18,350.91 : x
  2. Step 2: Convert to fraction form
    57,790.80/86,685.93 = 18,350.91/x
  3. Step 3: Cross multiply
    57,790.80x = 86,685.93 × 18,350.91
  4. Step 4: Simplify right side
    57,790.80x = 1,590,765,699.70
  5. Step 5: Solve for x
    x = 1,590,765,699.70/57,790.80
  6. Step 6: Final answer
    x = 27,526.28

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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.