Home / 57,069.27-85,479.08-28,940.85

Finding the Fourth Proportional to 57,069.27, 85,479.08 and 28,940.85

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Solution

The fourth proportional to 57,069.27, 85,479.08 and 28,940.85 is: 43,347.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,069.27 : 85,479.08 = 28,940.85 : x
  2. Step 2: Convert to fraction form
    57,069.27/85,479.08 = 28,940.85/x
  3. Step 3: Cross multiply
    57,069.27x = 85,479.08 × 28,940.85
  4. Step 4: Simplify right side
    57,069.27x = 2,473,837,087.71
  5. Step 5: Solve for x
    x = 2,473,837,087.71/57,069.27
  6. Step 6: Final answer
    x = 43,347.97

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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.