Home / 34,777.68-48,000.78-21,355.98

Finding the Fourth Proportional to 34,777.68, 48,000.78 and 21,355.98

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Solution

The fourth proportional to 34,777.68, 48,000.78 and 21,355.98 is: 29,475.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,777.68 : 48,000.78 = 21,355.98 : x
  2. Step 2: Convert to fraction form
    34,777.68/48,000.78 = 21,355.98/x
  3. Step 3: Cross multiply
    34,777.68x = 48,000.78 × 21,355.98
  4. Step 4: Simplify right side
    34,777.68x = 1,025,103,697.66
  5. Step 5: Solve for x
    x = 1,025,103,697.66/34,777.68
  6. Step 6: Final answer
    x = 29,475.91

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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.