Home / 38,336.16-52,899.84-21,339.12

Finding the Fourth Proportional to 38,336.16, 52,899.84 and 21,339.12

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Solution

The fourth proportional to 38,336.16, 52,899.84 and 21,339.12 is: 29,445.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,336.16 : 52,899.84 = 21,339.12 : x
  2. Step 2: Convert to fraction form
    38,336.16/52,899.84 = 21,339.12/x
  3. Step 3: Cross multiply
    38,336.16x = 52,899.84 × 21,339.12
  4. Step 4: Simplify right side
    38,336.16x = 1,128,836,033.74
  5. Step 5: Solve for x
    x = 1,128,836,033.74/38,336.16
  6. Step 6: Final answer
    x = 29,445.73

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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.