Home / 34,453.33-47,553-21,021.70

Finding the Fourth Proportional to 34,453.33, 47,553 and 21,021.70

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Solution

The fourth proportional to 34,453.33, 47,553 and 21,021.70 is: 29,014.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,453.33 : 47,553 = 21,021.70 : x
  2. Step 2: Convert to fraction form
    34,453.33/47,553 = 21,021.70/x
  3. Step 3: Cross multiply
    34,453.33x = 47,553 × 21,021.70
  4. Step 4: Simplify right side
    34,453.33x = 999,644,900.10
  5. Step 5: Solve for x
    x = 999,644,900.10/34,453.33
  6. Step 6: Final answer
    x = 29,014.46

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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.