Home / 48,615.81-72,924.30-13,553.34

Finding the Fourth Proportional to 48,615.81, 72,924.30 and 13,553.34

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Solution

The fourth proportional to 48,615.81, 72,924.30 and 13,553.34 is: 20,330.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,615.81 : 72,924.30 = 13,553.34 : x
  2. Step 2: Convert to fraction form
    48,615.81/72,924.30 = 13,553.34/x
  3. Step 3: Cross multiply
    48,615.81x = 72,924.30 × 13,553.34
  4. Step 4: Simplify right side
    48,615.81x = 988,367,832.16
  5. Step 5: Solve for x
    x = 988,367,832.16/48,615.81
  6. Step 6: Final answer
    x = 20,330.17

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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.