Home / 35,781.10-53,700-18,926.08

Finding the Fourth Proportional to 35,781.10, 53,700 and 18,926.08

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Solution

The fourth proportional to 35,781.10, 53,700 and 18,926.08 is: 28,404.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,781.10 : 53,700 = 18,926.08 : x
  2. Step 2: Convert to fraction form
    35,781.10/53,700 = 18,926.08/x
  3. Step 3: Cross multiply
    35,781.10x = 53,700 × 18,926.08
  4. Step 4: Simplify right side
    35,781.10x = 1,016,330,496.00
  5. Step 5: Solve for x
    x = 1,016,330,496.00/35,781.10
  6. Step 6: Final answer
    x = 28,404.12

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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.