Home / 52,052.88-78,051.24-27,031.20

Finding the Fourth Proportional to 52,052.88, 78,051.24 and 27,031.20

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Solution

The fourth proportional to 52,052.88, 78,051.24 and 27,031.20 is: 40,532.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,052.88 : 78,051.24 = 27,031.20 : x
  2. Step 2: Convert to fraction form
    52,052.88/78,051.24 = 27,031.20/x
  3. Step 3: Cross multiply
    52,052.88x = 78,051.24 × 27,031.20
  4. Step 4: Simplify right side
    52,052.88x = 2,109,818,678.69
  5. Step 5: Solve for x
    x = 2,109,818,678.69/52,052.88
  6. Step 6: Final answer
    x = 40,532.22

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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.