Home / 51,032.88-70,424.72-28,372.32

Finding the Fourth Proportional to 51,032.88, 70,424.72 and 28,372.32

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Solution

The fourth proportional to 51,032.88, 70,424.72 and 28,372.32 is: 39,153.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,032.88 : 70,424.72 = 28,372.32 : x
  2. Step 2: Convert to fraction form
    51,032.88/70,424.72 = 28,372.32/x
  3. Step 3: Cross multiply
    51,032.88x = 70,424.72 × 28,372.32
  4. Step 4: Simplify right side
    51,032.88x = 1,998,112,691.75
  5. Step 5: Solve for x
    x = 1,998,112,691.75/51,032.88
  6. Step 6: Final answer
    x = 39,153.44

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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.