Home / 38,493.75-53,122.26-21,497.10

Finding the Fourth Proportional to 38,493.75, 53,122.26 and 21,497.10

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Solution

The fourth proportional to 38,493.75, 53,122.26 and 21,497.10 is: 29,666.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,493.75 : 53,122.26 = 21,497.10 : x
  2. Step 2: Convert to fraction form
    38,493.75/53,122.26 = 21,497.10/x
  3. Step 3: Cross multiply
    38,493.75x = 53,122.26 × 21,497.10
  4. Step 4: Simplify right side
    38,493.75x = 1,141,974,535.45
  5. Step 5: Solve for x
    x = 1,141,974,535.45/38,493.75
  6. Step 6: Final answer
    x = 29,666.49

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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.