Home / 37,913.18-52,319.84-20,917.57

Finding the Fourth Proportional to 37,913.18, 52,319.84 and 20,917.57

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Solution

The fourth proportional to 37,913.18, 52,319.84 and 20,917.57 is: 28,866.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,913.18 : 52,319.84 = 20,917.57 : x
  2. Step 2: Convert to fraction form
    37,913.18/52,319.84 = 20,917.57/x
  3. Step 3: Cross multiply
    37,913.18x = 52,319.84 × 20,917.57
  4. Step 4: Simplify right side
    37,913.18x = 1,094,403,837.08
  5. Step 5: Solve for x
    x = 1,094,403,837.08/37,913.18
  6. Step 6: Final answer
    x = 28,866.06

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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.