Home / 34,390.67-47,438.97-21,623.62

Finding the Fourth Proportional to 34,390.67, 47,438.97 and 21,623.62

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Solution

The fourth proportional to 34,390.67, 47,438.97 and 21,623.62 is: 29,827.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,390.67 : 47,438.97 = 21,623.62 : x
  2. Step 2: Convert to fraction form
    34,390.67/47,438.97 = 21,623.62/x
  3. Step 3: Cross multiply
    34,390.67x = 47,438.97 × 21,623.62
  4. Step 4: Simplify right side
    34,390.67x = 1,025,802,319.77
  5. Step 5: Solve for x
    x = 1,025,802,319.77/34,390.67
  6. Step 6: Final answer
    x = 29,827.92

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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.