Home / 34,723.03-47,915.30-20,383.45

Finding the Fourth Proportional to 34,723.03, 47,915.30 and 20,383.45

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Solution

The fourth proportional to 34,723.03, 47,915.30 and 20,383.45 is: 28,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,723.03 : 47,915.30 = 20,383.45 : x
  2. Step 2: Convert to fraction form
    34,723.03/47,915.30 = 20,383.45/x
  3. Step 3: Cross multiply
    34,723.03x = 47,915.30 × 20,383.45
  4. Step 4: Simplify right side
    34,723.03x = 976,678,938.30
  5. Step 5: Solve for x
    x = 976,678,938.30/34,723.03
  6. Step 6: Final answer
    x = 28,127.70

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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.