Home / 37,778.08-52,127.96-21,859.45

Finding the Fourth Proportional to 37,778.08, 52,127.96 and 21,859.45

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Solution

The fourth proportional to 37,778.08, 52,127.96 and 21,859.45 is: 30,162.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,778.08 : 52,127.96 = 21,859.45 : x
  2. Step 2: Convert to fraction form
    37,778.08/52,127.96 = 21,859.45/x
  3. Step 3: Cross multiply
    37,778.08x = 52,127.96 × 21,859.45
  4. Step 4: Simplify right side
    37,778.08x = 1,139,488,773.26
  5. Step 5: Solve for x
    x = 1,139,488,773.26/37,778.08
  6. Step 6: Final answer
    x = 30,162.70

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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.