Home / 37,991.08-52,426.02-21,223.72

Finding the Fourth Proportional to 37,991.08, 52,426.02 and 21,223.72

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Solution

The fourth proportional to 37,991.08, 52,426.02 and 21,223.72 is: 29,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,991.08 : 52,426.02 = 21,223.72 : x
  2. Step 2: Convert to fraction form
    37,991.08/52,426.02 = 21,223.72/x
  3. Step 3: Cross multiply
    37,991.08x = 52,426.02 × 21,223.72
  4. Step 4: Simplify right side
    37,991.08x = 1,112,675,169.19
  5. Step 5: Solve for x
    x = 1,112,675,169.19/37,991.08
  6. Step 6: Final answer
    x = 29,287.80

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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.