Home / 40,658.39-61,022.61-28,187.18

Finding the Fourth Proportional to 40,658.39, 61,022.61 and 28,187.18

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Solution

The fourth proportional to 40,658.39, 61,022.61 and 28,187.18 is: 42,305.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,658.39 : 61,022.61 = 28,187.18 : x
  2. Step 2: Convert to fraction form
    40,658.39/61,022.61 = 28,187.18/x
  3. Step 3: Cross multiply
    40,658.39x = 61,022.61 × 28,187.18
  4. Step 4: Simplify right side
    40,658.39x = 1,720,054,987.03
  5. Step 5: Solve for x
    x = 1,720,054,987.03/40,658.39
  6. Step 6: Final answer
    x = 42,305.05

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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.