Home / 37,570.43-56,357.36-20,917.91

Finding the Fourth Proportional to 37,570.43, 56,357.36 and 20,917.91

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Solution

The fourth proportional to 37,570.43, 56,357.36 and 20,917.91 is: 31,377.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,570.43 : 56,357.36 = 20,917.91 : x
  2. Step 2: Convert to fraction form
    37,570.43/56,357.36 = 20,917.91/x
  3. Step 3: Cross multiply
    37,570.43x = 56,357.36 × 20,917.91
  4. Step 4: Simplify right side
    37,570.43x = 1,178,877,797.94
  5. Step 5: Solve for x
    x = 1,178,877,797.94/37,570.43
  6. Step 6: Final answer
    x = 31,377.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.