Home / 77,498.21-116,250.15-21,342.66

Finding the Fourth Proportional to 77,498.21, 116,250.15 and 21,342.66

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Solution

The fourth proportional to 77,498.21, 116,250.15 and 21,342.66 is: 32,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,498.21 : 116,250.15 = 21,342.66 : x
  2. Step 2: Convert to fraction form
    77,498.21/116,250.15 = 21,342.66/x
  3. Step 3: Cross multiply
    77,498.21x = 116,250.15 × 21,342.66
  4. Step 4: Simplify right side
    77,498.21x = 2,481,087,426.40
  5. Step 5: Solve for x
    x = 2,481,087,426.40/77,498.21
  6. Step 6: Final answer
    x = 32,014.77

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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.