Home / 56,508.25-78,012.24-38,629.53

Finding the Fourth Proportional to 56,508.25, 78,012.24 and 38,629.53

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Solution

The fourth proportional to 56,508.25, 78,012.24 and 38,629.53 is: 53,329.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,508.25 : 78,012.24 = 38,629.53 : x
  2. Step 2: Convert to fraction form
    56,508.25/78,012.24 = 38,629.53/x
  3. Step 3: Cross multiply
    56,508.25x = 78,012.24 × 38,629.53
  4. Step 4: Simplify right side
    56,508.25x = 3,013,576,165.45
  5. Step 5: Solve for x
    x = 3,013,576,165.45/56,508.25
  6. Step 6: Final answer
    x = 53,329.84

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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.