Home / 48,051.68-72,094.16-19,986.88

Finding the Fourth Proportional to 48,051.68, 72,094.16 and 19,986.88

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Solution

The fourth proportional to 48,051.68, 72,094.16 and 19,986.88 is: 29,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,051.68 : 72,094.16 = 19,986.88 : x
  2. Step 2: Convert to fraction form
    48,051.68/72,094.16 = 19,986.88/x
  3. Step 3: Cross multiply
    48,051.68x = 72,094.16 × 19,986.88
  4. Step 4: Simplify right side
    48,051.68x = 1,440,937,324.62
  5. Step 5: Solve for x
    x = 1,440,937,324.62/48,051.68
  6. Step 6: Final answer
    x = 29,987.24

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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.