Home / 57,397.12-86,089.20-19,950.88

Finding the Fourth Proportional to 57,397.12, 86,089.20 and 19,950.88

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Solution

The fourth proportional to 57,397.12, 86,089.20 and 19,950.88 is: 29,924.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,397.12 : 86,089.20 = 19,950.88 : x
  2. Step 2: Convert to fraction form
    57,397.12/86,089.20 = 19,950.88/x
  3. Step 3: Cross multiply
    57,397.12x = 86,089.20 × 19,950.88
  4. Step 4: Simplify right side
    57,397.12x = 1,717,555,298.50
  5. Step 5: Solve for x
    x = 1,717,555,298.50/57,397.12
  6. Step 6: Final answer
    x = 29,924.07

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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.