Home / 40,017.12-60,028.71-11,934.99

Finding the Fourth Proportional to 40,017.12, 60,028.71 and 11,934.99

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Solution

The fourth proportional to 40,017.12, 60,028.71 and 11,934.99 is: 17,903.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,017.12 : 60,028.71 = 11,934.99 : x
  2. Step 2: Convert to fraction form
    40,017.12/60,028.71 = 11,934.99/x
  3. Step 3: Cross multiply
    40,017.12x = 60,028.71 × 11,934.99
  4. Step 4: Simplify right side
    40,017.12x = 716,442,053.56
  5. Step 5: Solve for x
    x = 716,442,053.56/40,017.12
  6. Step 6: Final answer
    x = 17,903.39

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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.