Home / 48,555.54-72,803.16-20,461.14

Finding the Fourth Proportional to 48,555.54, 72,803.16 and 20,461.14

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Solution

The fourth proportional to 48,555.54, 72,803.16 and 20,461.14 is: 30,679.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,555.54 : 72,803.16 = 20,461.14 : x
  2. Step 2: Convert to fraction form
    48,555.54/72,803.16 = 20,461.14/x
  3. Step 3: Cross multiply
    48,555.54x = 72,803.16 × 20,461.14
  4. Step 4: Simplify right side
    48,555.54x = 1,489,635,649.20
  5. Step 5: Solve for x
    x = 1,489,635,649.20/48,555.54
  6. Step 6: Final answer
    x = 30,679.00

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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.