Home / 35,979.68-53,938.73-13,808.96

Finding the Fourth Proportional to 35,979.68, 53,938.73 and 13,808.96

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Solution

The fourth proportional to 35,979.68, 53,938.73 and 13,808.96 is: 20,701.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,979.68 : 53,938.73 = 13,808.96 : x
  2. Step 2: Convert to fraction form
    35,979.68/53,938.73 = 13,808.96/x
  3. Step 3: Cross multiply
    35,979.68x = 53,938.73 × 13,808.96
  4. Step 4: Simplify right side
    35,979.68x = 744,837,426.28
  5. Step 5: Solve for x
    x = 744,837,426.28/35,979.68
  6. Step 6: Final answer
    x = 20,701.62

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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.