Home / 38,496.80-53,125.01-21,501.33

Finding the Fourth Proportional to 38,496.80, 53,125.01 and 21,501.33

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Solution

The fourth proportional to 38,496.80, 53,125.01 and 21,501.33 is: 29,671.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,496.80 : 53,125.01 = 21,501.33 : x
  2. Step 2: Convert to fraction form
    38,496.80/53,125.01 = 21,501.33/x
  3. Step 3: Cross multiply
    38,496.80x = 53,125.01 × 21,501.33
  4. Step 4: Simplify right side
    38,496.80x = 1,142,258,564.94
  5. Step 5: Solve for x
    x = 1,142,258,564.94/38,496.80
  6. Step 6: Final answer
    x = 29,671.52

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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.