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Finding the Fourth Proportional to 34,610.84, 47,763.16 and 19,503.74

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Solution

The fourth proportional to 34,610.84, 47,763.16 and 19,503.74 is: 26,915.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,610.84 : 47,763.16 = 19,503.74 : x
  2. Step 2: Convert to fraction form
    34,610.84/47,763.16 = 19,503.74/x
  3. Step 3: Cross multiply
    34,610.84x = 47,763.16 × 19,503.74
  4. Step 4: Simplify right side
    34,610.84x = 931,560,111.05
  5. Step 5: Solve for x
    x = 931,560,111.05/34,610.84
  6. Step 6: Final answer
    x = 26,915.27

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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.