Home / 39,727.21-59,590.76-10,145.05

Finding the Fourth Proportional to 39,727.21, 59,590.76 and 10,145.05

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Solution

The fourth proportional to 39,727.21, 59,590.76 and 10,145.05 is: 15,217.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,727.21 : 59,590.76 = 10,145.05 : x
  2. Step 2: Convert to fraction form
    39,727.21/59,590.76 = 10,145.05/x
  3. Step 3: Cross multiply
    39,727.21x = 59,590.76 × 10,145.05
  4. Step 4: Simplify right side
    39,727.21x = 604,551,239.74
  5. Step 5: Solve for x
    x = 604,551,239.74/39,727.21
  6. Step 6: Final answer
    x = 15,217.56

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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.