Home / 31,483.08-47,022.39-28,515.24

Finding the Fourth Proportional to 31,483.08, 47,022.39 and 28,515.24

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Solution

The fourth proportional to 31,483.08, 47,022.39 and 28,515.24 is: 42,589.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,483.08 : 47,022.39 = 28,515.24 : x
  2. Step 2: Convert to fraction form
    31,483.08/47,022.39 = 28,515.24/x
  3. Step 3: Cross multiply
    31,483.08x = 47,022.39 × 28,515.24
  4. Step 4: Simplify right side
    31,483.08x = 1,340,854,736.22
  5. Step 5: Solve for x
    x = 1,340,854,736.22/31,483.08
  6. Step 6: Final answer
    x = 42,589.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.