Home / 37,630.16-51,932.68-20,862.80

Finding the Fourth Proportional to 37,630.16, 51,932.68 and 20,862.80

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Solution

The fourth proportional to 37,630.16, 51,932.68 and 20,862.80 is: 28,792.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,630.16 : 51,932.68 = 20,862.80 : x
  2. Step 2: Convert to fraction form
    37,630.16/51,932.68 = 20,862.80/x
  3. Step 3: Cross multiply
    37,630.16x = 51,932.68 × 20,862.80
  4. Step 4: Simplify right side
    37,630.16x = 1,083,461,116.30
  5. Step 5: Solve for x
    x = 1,083,461,116.30/37,630.16
  6. Step 6: Final answer
    x = 28,792.36

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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.