Home / 53,214.98-79,828.65-17,679.47

Finding the Fourth Proportional to 53,214.98, 79,828.65 and 17,679.47

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Solution

The fourth proportional to 53,214.98, 79,828.65 and 17,679.47 is: 26,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,214.98 : 79,828.65 = 17,679.47 : x
  2. Step 2: Convert to fraction form
    53,214.98/79,828.65 = 17,679.47/x
  3. Step 3: Cross multiply
    53,214.98x = 79,828.65 × 17,679.47
  4. Step 4: Simplify right side
    53,214.98x = 1,411,328,422.39
  5. Step 5: Solve for x
    x = 1,411,328,422.39/53,214.98
  6. Step 6: Final answer
    x = 26,521.26

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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.