Home / 38,366.70-52,931.41-28,319.12

Finding the Fourth Proportional to 38,366.70, 52,931.41 and 28,319.12

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Solution

The fourth proportional to 38,366.70, 52,931.41 and 28,319.12 is: 39,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,366.70 : 52,931.41 = 28,319.12 : x
  2. Step 2: Convert to fraction form
    38,366.70/52,931.41 = 28,319.12/x
  3. Step 3: Cross multiply
    38,366.70x = 52,931.41 × 28,319.12
  4. Step 4: Simplify right side
    38,366.70x = 1,498,970,814.60
  5. Step 5: Solve for x
    x = 1,498,970,814.60/38,366.70
  6. Step 6: Final answer
    x = 39,069.58

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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.