Home / 45,147.81-62,334.77-28,158.69

Finding the Fourth Proportional to 45,147.81, 62,334.77 and 28,158.69

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Solution

The fourth proportional to 45,147.81, 62,334.77 and 28,158.69 is: 38,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,147.81 : 62,334.77 = 28,158.69 : x
  2. Step 2: Convert to fraction form
    45,147.81/62,334.77 = 28,158.69/x
  3. Step 3: Cross multiply
    45,147.81x = 62,334.77 × 28,158.69
  4. Step 4: Simplify right side
    45,147.81x = 1,755,265,464.65
  5. Step 5: Solve for x
    x = 1,755,265,464.65/45,147.81
  6. Step 6: Final answer
    x = 38,878.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.