Home / 37,866.77-52,256.43-20,871.61

Finding the Fourth Proportional to 37,866.77, 52,256.43 and 20,871.61

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Solution

The fourth proportional to 37,866.77, 52,256.43 and 20,871.61 is: 28,802.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,866.77 : 52,256.43 = 20,871.61 : x
  2. Step 2: Convert to fraction form
    37,866.77/52,256.43 = 20,871.61/x
  3. Step 3: Cross multiply
    37,866.77x = 52,256.43 × 20,871.61
  4. Step 4: Simplify right side
    37,866.77x = 1,090,675,887.42
  5. Step 5: Solve for x
    x = 1,090,675,887.42/37,866.77
  6. Step 6: Final answer
    x = 28,802.98

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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.