Home / 53,175.20-79,776.63-19,897.88

Finding the Fourth Proportional to 53,175.20, 79,776.63 and 19,897.88

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Solution

The fourth proportional to 53,175.20, 79,776.63 and 19,897.88 is: 29,851.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,175.20 : 79,776.63 = 19,897.88 : x
  2. Step 2: Convert to fraction form
    53,175.20/79,776.63 = 19,897.88/x
  3. Step 3: Cross multiply
    53,175.20x = 79,776.63 × 19,897.88
  4. Step 4: Simplify right side
    53,175.20x = 1,587,385,411.66
  5. Step 5: Solve for x
    x = 1,587,385,411.66/53,175.20
  6. Step 6: Final answer
    x = 29,851.99

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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.