Home / 38,637.13-57,955.70-21,097.39

Finding the Fourth Proportional to 38,637.13, 57,955.70 and 21,097.39

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Solution

The fourth proportional to 38,637.13, 57,955.70 and 21,097.39 is: 31,646.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,637.13 : 57,955.70 = 21,097.39 : x
  2. Step 2: Convert to fraction form
    38,637.13/57,955.70 = 21,097.39/x
  3. Step 3: Cross multiply
    38,637.13x = 57,955.70 × 21,097.39
  4. Step 4: Simplify right side
    38,637.13x = 1,222,714,005.62
  5. Step 5: Solve for x
    x = 1,222,714,005.62/38,637.13
  6. Step 6: Final answer
    x = 31,646.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.