Home / 34,526.72-47,651.55-20,190.80

Finding the Fourth Proportional to 34,526.72, 47,651.55 and 20,190.80

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Solution

The fourth proportional to 34,526.72, 47,651.55 and 20,190.80 is: 27,866.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,526.72 : 47,651.55 = 20,190.80 : x
  2. Step 2: Convert to fraction form
    34,526.72/47,651.55 = 20,190.80/x
  3. Step 3: Cross multiply
    34,526.72x = 47,651.55 × 20,190.80
  4. Step 4: Simplify right side
    34,526.72x = 962,122,915.74
  5. Step 5: Solve for x
    x = 962,122,915.74/34,526.72
  6. Step 6: Final answer
    x = 27,866.04

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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.