Home / 38,394.03-52,988.07-21,399.83

Finding the Fourth Proportional to 38,394.03, 52,988.07 and 21,399.83

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Solution

The fourth proportional to 38,394.03, 52,988.07 and 21,399.83 is: 29,534.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,394.03 : 52,988.07 = 21,399.83 : x
  2. Step 2: Convert to fraction form
    38,394.03/52,988.07 = 21,399.83/x
  3. Step 3: Cross multiply
    38,394.03x = 52,988.07 × 21,399.83
  4. Step 4: Simplify right side
    38,394.03x = 1,133,935,318.09
  5. Step 5: Solve for x
    x = 1,133,935,318.09/38,394.03
  6. Step 6: Final answer
    x = 29,534.16

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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.