Home / 35,496.47-48,985.17-20,392.05

Finding the Fourth Proportional to 35,496.47, 48,985.17 and 20,392.05

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Solution

The fourth proportional to 35,496.47, 48,985.17 and 20,392.05 is: 28,141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,496.47 : 48,985.17 = 20,392.05 : x
  2. Step 2: Convert to fraction form
    35,496.47/48,985.17 = 20,392.05/x
  3. Step 3: Cross multiply
    35,496.47x = 48,985.17 × 20,392.05
  4. Step 4: Simplify right side
    35,496.47x = 998,908,035.90
  5. Step 5: Solve for x
    x = 998,908,035.90/35,496.47
  6. Step 6: Final answer
    x = 28,141.06

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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.