Home / 38,960.64-53,784.75-29,385.63

Finding the Fourth Proportional to 38,960.64, 53,784.75 and 29,385.63

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Solution

The fourth proportional to 38,960.64, 53,784.75 and 29,385.63 is: 40,566.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,960.64 : 53,784.75 = 29,385.63 : x
  2. Step 2: Convert to fraction form
    38,960.64/53,784.75 = 29,385.63/x
  3. Step 3: Cross multiply
    38,960.64x = 53,784.75 × 29,385.63
  4. Step 4: Simplify right side
    38,960.64x = 1,580,498,763.14
  5. Step 5: Solve for x
    x = 1,580,498,763.14/38,960.64
  6. Step 6: Final answer
    x = 40,566.55

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Double scale
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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.