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Finding the Fourth Proportional to 35,851.70, 53,777.55 and 34,490.90

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Solution

The fourth proportional to 35,851.70, 53,777.55 and 34,490.90 is: 51,736.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,851.70 : 53,777.55 = 34,490.90 : x
  2. Step 2: Convert to fraction form
    35,851.70/53,777.55 = 34,490.90/x
  3. Step 3: Cross multiply
    35,851.70x = 53,777.55 × 34,490.90
  4. Step 4: Simplify right side
    35,851.70x = 1,854,836,099.30
  5. Step 5: Solve for x
    x = 1,854,836,099.30/35,851.70
  6. Step 6: Final answer
    x = 51,736.35

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1.5x scale

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.