Home / 51,623.49-77,389.35-18,339.16

Finding the Fourth Proportional to 51,623.49, 77,389.35 and 18,339.16

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Solution

The fourth proportional to 51,623.49, 77,389.35 and 18,339.16 is: 27,492.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,623.49 : 77,389.35 = 18,339.16 : x
  2. Step 2: Convert to fraction form
    51,623.49/77,389.35 = 18,339.16/x
  3. Step 3: Cross multiply
    51,623.49x = 77,389.35 × 18,339.16
  4. Step 4: Simplify right side
    51,623.49x = 1,419,255,671.95
  5. Step 5: Solve for x
    x = 1,419,255,671.95/51,623.49
  6. Step 6: Final answer
    x = 27,492.44

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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.