Home / 40,275.36-60,321.04-19,230.21

Finding the Fourth Proportional to 40,275.36, 60,321.04 and 19,230.21

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Solution

The fourth proportional to 40,275.36, 60,321.04 and 19,230.21 is: 28,801.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,275.36 : 60,321.04 = 19,230.21 : x
  2. Step 2: Convert to fraction form
    40,275.36/60,321.04 = 19,230.21/x
  3. Step 3: Cross multiply
    40,275.36x = 60,321.04 × 19,230.21
  4. Step 4: Simplify right side
    40,275.36x = 1,159,986,218.54
  5. Step 5: Solve for x
    x = 1,159,986,218.54/40,275.36
  6. Step 6: Final answer
    x = 28,801.39

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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.