Home / 37,150.12-51,264.66-20,384.20

Finding the Fourth Proportional to 37,150.12, 51,264.66 and 20,384.20

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Solution

The fourth proportional to 37,150.12, 51,264.66 and 20,384.20 is: 28,128.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,150.12 : 51,264.66 = 20,384.20 : x
  2. Step 2: Convert to fraction form
    37,150.12/51,264.66 = 20,384.20/x
  3. Step 3: Cross multiply
    37,150.12x = 51,264.66 × 20,384.20
  4. Step 4: Simplify right side
    37,150.12x = 1,044,989,082.37
  5. Step 5: Solve for x
    x = 1,044,989,082.37/37,150.12
  6. Step 6: Final answer
    x = 28,128.82

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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.