Home / 40,390.07-60,585.12-19,325.13

Finding the Fourth Proportional to 40,390.07, 60,585.12 and 19,325.13

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Solution

The fourth proportional to 40,390.07, 60,585.12 and 19,325.13 is: 28,987.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,390.07 : 60,585.12 = 19,325.13 : x
  2. Step 2: Convert to fraction form
    40,390.07/60,585.12 = 19,325.13/x
  3. Step 3: Cross multiply
    40,390.07x = 60,585.12 × 19,325.13
  4. Step 4: Simplify right side
    40,390.07x = 1,170,815,320.07
  5. Step 5: Solve for x
    x = 1,170,815,320.07/40,390.07
  6. Step 6: Final answer
    x = 28,987.71

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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.