Home / 40,199.18-60,252.80-19,109.30

Finding the Fourth Proportional to 40,199.18, 60,252.80 and 19,109.30

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Solution

The fourth proportional to 40,199.18, 60,252.80 and 19,109.30 is: 28,642.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,199.18 : 60,252.80 = 19,109.30 : x
  2. Step 2: Convert to fraction form
    40,199.18/60,252.80 = 19,109.30/x
  3. Step 3: Cross multiply
    40,199.18x = 60,252.80 × 19,109.30
  4. Step 4: Simplify right side
    40,199.18x = 1,151,388,434.23
  5. Step 5: Solve for x
    x = 1,151,388,434.23/40,199.18
  6. Step 6: Final answer
    x = 28,642.09

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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.