Home / 53,085.17-79,625.10-19,802.63

Finding the Fourth Proportional to 53,085.17, 79,625.10 and 19,802.63

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Solution

The fourth proportional to 53,085.17, 79,625.10 and 19,802.63 is: 29,702.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,085.17 : 79,625.10 = 19,802.63 : x
  2. Step 2: Convert to fraction form
    53,085.17/79,625.10 = 19,802.63/x
  3. Step 3: Cross multiply
    53,085.17x = 79,625.10 × 19,802.63
  4. Step 4: Simplify right side
    53,085.17x = 1,576,786,394.01
  5. Step 5: Solve for x
    x = 1,576,786,394.01/53,085.17
  6. Step 6: Final answer
    x = 29,702.95

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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.