Home / 38,277.54-52,827.93-21,513.78

Finding the Fourth Proportional to 38,277.54, 52,827.93 and 21,513.78

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Solution

The fourth proportional to 38,277.54, 52,827.93 and 21,513.78 is: 29,691.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,277.54 : 52,827.93 = 21,513.78 : x
  2. Step 2: Convert to fraction form
    38,277.54/52,827.93 = 21,513.78/x
  3. Step 3: Cross multiply
    38,277.54x = 52,827.93 × 21,513.78
  4. Step 4: Simplify right side
    38,277.54x = 1,136,528,463.88
  5. Step 5: Solve for x
    x = 1,136,528,463.88/38,277.54
  6. Step 6: Final answer
    x = 29,691.78

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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.