Home / 34,172.34-47,156.76-20,034.60

Finding the Fourth Proportional to 34,172.34, 47,156.76 and 20,034.60

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Solution

The fourth proportional to 34,172.34, 47,156.76 and 20,034.60 is: 27,647.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,172.34 : 47,156.76 = 20,034.60 : x
  2. Step 2: Convert to fraction form
    34,172.34/47,156.76 = 20,034.60/x
  3. Step 3: Cross multiply
    34,172.34x = 47,156.76 × 20,034.60
  4. Step 4: Simplify right side
    34,172.34x = 944,766,823.90
  5. Step 5: Solve for x
    x = 944,766,823.90/34,172.34
  6. Step 6: Final answer
    x = 27,647.12

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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.