Home / 37,723.68-52,053.12-20,956.68

Finding the Fourth Proportional to 37,723.68, 52,053.12 and 20,956.68

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Solution

The fourth proportional to 37,723.68, 52,053.12 and 20,956.68 is: 28,917.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,723.68 : 52,053.12 = 20,956.68 : x
  2. Step 2: Convert to fraction form
    37,723.68/52,053.12 = 20,956.68/x
  3. Step 3: Cross multiply
    37,723.68x = 52,053.12 × 20,956.68
  4. Step 4: Simplify right side
    37,723.68x = 1,090,860,578.84
  5. Step 5: Solve for x
    x = 1,090,860,578.84/37,723.68
  6. Step 6: Final answer
    x = 28,917.13

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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.