Home / 38,319.52-52,880.96-21,552.64

Finding the Fourth Proportional to 38,319.52, 52,880.96 and 21,552.64

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Solution

The fourth proportional to 38,319.52, 52,880.96 and 21,552.64 is: 29,742.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,319.52 : 52,880.96 = 21,552.64 : x
  2. Step 2: Convert to fraction form
    38,319.52/52,880.96 = 21,552.64/x
  3. Step 3: Cross multiply
    38,319.52x = 52,880.96 × 21,552.64
  4. Step 4: Simplify right side
    38,319.52x = 1,139,724,293.73
  5. Step 5: Solve for x
    x = 1,139,724,293.73/38,319.52
  6. Step 6: Final answer
    x = 29,742.66

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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.