Home / 35,979.73-53,938.82-13,809.02

Finding the Fourth Proportional to 35,979.73, 53,938.82 and 13,809.02

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Solution

The fourth proportional to 35,979.73, 53,938.82 and 13,809.02 is: 20,701.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,979.73 : 53,938.82 = 13,809.02 : x
  2. Step 2: Convert to fraction form
    35,979.73/53,938.82 = 13,809.02/x
  3. Step 3: Cross multiply
    35,979.73x = 53,938.82 × 13,809.02
  4. Step 4: Simplify right side
    35,979.73x = 744,842,244.16
  5. Step 5: Solve for x
    x = 744,842,244.16/35,979.73
  6. Step 6: Final answer
    x = 20,701.72

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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.