Home / 38,019.60-52,462.49-21,021.53

Finding the Fourth Proportional to 38,019.60, 52,462.49 and 21,021.53

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Solution

The fourth proportional to 38,019.60, 52,462.49 and 21,021.53 is: 29,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,019.60 : 52,462.49 = 21,021.53 : x
  2. Step 2: Convert to fraction form
    38,019.60/52,462.49 = 21,021.53/x
  3. Step 3: Cross multiply
    38,019.60x = 52,462.49 × 21,021.53
  4. Step 4: Simplify right side
    38,019.60x = 1,102,841,439.99
  5. Step 5: Solve for x
    x = 1,102,841,439.99/38,019.60
  6. Step 6: Final answer
    x = 29,007.18

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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.