Home / 38,915.78-53,701.58-23,001.71

Finding the Fourth Proportional to 38,915.78, 53,701.58 and 23,001.71

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Solution

The fourth proportional to 38,915.78, 53,701.58 and 23,001.71 is: 31,741.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,915.78 : 53,701.58 = 23,001.71 : x
  2. Step 2: Convert to fraction form
    38,915.78/53,701.58 = 23,001.71/x
  3. Step 3: Cross multiply
    38,915.78x = 53,701.58 × 23,001.71
  4. Step 4: Simplify right side
    38,915.78x = 1,235,227,958.70
  5. Step 5: Solve for x
    x = 1,235,227,958.70/38,915.78
  6. Step 6: Final answer
    x = 31,741.06

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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.