Home / 37,631-56,635.52-28,319.24

Finding the Fourth Proportional to 37,631, 56,635.52 and 28,319.24

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Solution

The fourth proportional to 37,631, 56,635.52 and 28,319.24 is: 42,621.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,631 : 56,635.52 = 28,319.24 : x
  2. Step 2: Convert to fraction form
    37,631/56,635.52 = 28,319.24/x
  3. Step 3: Cross multiply
    37,631x = 56,635.52 × 28,319.24
  4. Step 4: Simplify right side
    37,631x = 1,603,874,883.40
  5. Step 5: Solve for x
    x = 1,603,874,883.40/37,631
  6. Step 6: Final answer
    x = 42,621.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.