Home / 48,837.40-73,256.10-20,750.20

Finding the Fourth Proportional to 48,837.40, 73,256.10 and 20,750.20

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Solution

The fourth proportional to 48,837.40, 73,256.10 and 20,750.20 is: 31,125.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,837.40 : 73,256.10 = 20,750.20 : x
  2. Step 2: Convert to fraction form
    48,837.40/73,256.10 = 20,750.20/x
  3. Step 3: Cross multiply
    48,837.40x = 73,256.10 × 20,750.20
  4. Step 4: Simplify right side
    48,837.40x = 1,520,078,726.22
  5. Step 5: Solve for x
    x = 1,520,078,726.22/48,837.40
  6. Step 6: Final answer
    x = 31,125.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.