Home / 34,391.42-47,440.01-21,624.38

Finding the Fourth Proportional to 34,391.42, 47,440.01 and 21,624.38

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Solution

The fourth proportional to 34,391.42, 47,440.01 and 21,624.38 is: 29,828.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,391.42 : 47,440.01 = 21,624.38 : x
  2. Step 2: Convert to fraction form
    34,391.42/47,440.01 = 21,624.38/x
  3. Step 3: Cross multiply
    34,391.42x = 47,440.01 × 21,624.38
  4. Step 4: Simplify right side
    34,391.42x = 1,025,860,458.12
  5. Step 5: Solve for x
    x = 1,025,860,458.12/34,391.42
  6. Step 6: Final answer
    x = 29,828.96

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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.