Home / 37,906.86-52,312.08-20,910.81

Finding the Fourth Proportional to 37,906.86, 52,312.08 and 20,910.81

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Solution

The fourth proportional to 37,906.86, 52,312.08 and 20,910.81 is: 28,857.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,906.86 : 52,312.08 = 20,910.81 : x
  2. Step 2: Convert to fraction form
    37,906.86/52,312.08 = 20,910.81/x
  3. Step 3: Cross multiply
    37,906.86x = 52,312.08 × 20,910.81
  4. Step 4: Simplify right side
    37,906.86x = 1,093,887,965.58
  5. Step 5: Solve for x
    x = 1,093,887,965.58/37,906.86
  6. Step 6: Final answer
    x = 28,857.26

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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.