Home / 34,648.49-47,806.65-21,036.21

Finding the Fourth Proportional to 34,648.49, 47,806.65 and 21,036.21

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Solution

The fourth proportional to 34,648.49, 47,806.65 and 21,036.21 is: 29,024.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,648.49 : 47,806.65 = 21,036.21 : x
  2. Step 2: Convert to fraction form
    34,648.49/47,806.65 = 21,036.21/x
  3. Step 3: Cross multiply
    34,648.49x = 47,806.65 × 21,036.21
  4. Step 4: Simplify right side
    34,648.49x = 1,005,670,728.80
  5. Step 5: Solve for x
    x = 1,005,670,728.80/34,648.49
  6. Step 6: Final answer
    x = 29,024.96

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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.