Home / 34,312.46-47,380.75-21,586.85

Finding the Fourth Proportional to 34,312.46, 47,380.75 and 21,586.85

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Solution

The fourth proportional to 34,312.46, 47,380.75 and 21,586.85 is: 29,808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,312.46 : 47,380.75 = 21,586.85 : x
  2. Step 2: Convert to fraction form
    34,312.46/47,380.75 = 21,586.85/x
  3. Step 3: Cross multiply
    34,312.46x = 47,380.75 × 21,586.85
  4. Step 4: Simplify right side
    34,312.46x = 1,022,801,296.46
  5. Step 5: Solve for x
    x = 1,022,801,296.46/34,312.46
  6. Step 6: Final answer
    x = 29,808.45

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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.