Home / 48,555.16-72,797.10-20,474.08

Finding the Fourth Proportional to 48,555.16, 72,797.10 and 20,474.08

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Solution

The fourth proportional to 48,555.16, 72,797.10 and 20,474.08 is: 30,696.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,555.16 : 72,797.10 = 20,474.08 : x
  2. Step 2: Convert to fraction form
    48,555.16/72,797.10 = 20,474.08/x
  3. Step 3: Cross multiply
    48,555.16x = 72,797.10 × 20,474.08
  4. Step 4: Simplify right side
    48,555.16x = 1,490,453,649.17
  5. Step 5: Solve for x
    x = 1,490,453,649.17/48,555.16
  6. Step 6: Final answer
    x = 30,696.09

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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.