Home / 37,693.12-52,016.40-20,926

Finding the Fourth Proportional to 37,693.12, 52,016.40 and 20,926

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Solution

The fourth proportional to 37,693.12, 52,016.40 and 20,926 is: 28,877.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,693.12 : 52,016.40 = 20,926 : x
  2. Step 2: Convert to fraction form
    37,693.12/52,016.40 = 20,926/x
  3. Step 3: Cross multiply
    37,693.12x = 52,016.40 × 20,926
  4. Step 4: Simplify right side
    37,693.12x = 1,088,495,186.40
  5. Step 5: Solve for x
    x = 1,088,495,186.40/37,693.12
  6. Step 6: Final answer
    x = 28,877.82

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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.