Home / 34,456.75-47,555.51-21,035.83

Finding the Fourth Proportional to 34,456.75, 47,555.51 and 21,035.83

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Solution

The fourth proportional to 34,456.75, 47,555.51 and 21,035.83 is: 29,032.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,456.75 : 47,555.51 = 21,035.83 : x
  2. Step 2: Convert to fraction form
    34,456.75/47,555.51 = 21,035.83/x
  3. Step 3: Cross multiply
    34,456.75x = 47,555.51 × 21,035.83
  4. Step 4: Simplify right side
    34,456.75x = 1,000,369,438.74
  5. Step 5: Solve for x
    x = 1,000,369,438.74/34,456.75
  6. Step 6: Final answer
    x = 29,032.62

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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.