Home / 37,328.10-51,512.67-20,561.10

Finding the Fourth Proportional to 37,328.10, 51,512.67 and 20,561.10

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Solution

The fourth proportional to 37,328.10, 51,512.67 and 20,561.10 is: 28,374.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,328.10 : 51,512.67 = 20,561.10 : x
  2. Step 2: Convert to fraction form
    37,328.10/51,512.67 = 20,561.10/x
  3. Step 3: Cross multiply
    37,328.10x = 51,512.67 × 20,561.10
  4. Step 4: Simplify right side
    37,328.10x = 1,059,157,159.14
  5. Step 5: Solve for x
    x = 1,059,157,159.14/37,328.10
  6. Step 6: Final answer
    x = 28,374.26

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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.