Home / 38,496.65-53,125.64-21,501.09

Finding the Fourth Proportional to 38,496.65, 53,125.64 and 21,501.09

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Solution

The fourth proportional to 38,496.65, 53,125.64 and 21,501.09 is: 29,671.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,496.65 : 53,125.64 = 21,501.09 : x
  2. Step 2: Convert to fraction form
    38,496.65/53,125.64 = 21,501.09/x
  3. Step 3: Cross multiply
    38,496.65x = 53,125.64 × 21,501.09
  4. Step 4: Simplify right side
    38,496.65x = 1,142,259,059.44
  5. Step 5: Solve for x
    x = 1,142,259,059.44/38,496.65
  6. Step 6: Final answer
    x = 29,671.65

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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.