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Finding the Fourth Proportional to 47,302.82, 70,915.76 and 17,704.07

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Solution

The fourth proportional to 47,302.82, 70,915.76 and 17,704.07 is: 26,541.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,302.82 : 70,915.76 = 17,704.07 : x
  2. Step 2: Convert to fraction form
    47,302.82/70,915.76 = 17,704.07/x
  3. Step 3: Cross multiply
    47,302.82x = 70,915.76 × 17,704.07
  4. Step 4: Simplify right side
    47,302.82x = 1,255,497,490.62
  5. Step 5: Solve for x
    x = 1,255,497,490.62/47,302.82
  6. Step 6: Final answer
    x = 26,541.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.