Home / 43,077.50-64,616.30-20,894.14

Finding the Fourth Proportional to 43,077.50, 64,616.30 and 20,894.14

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Solution

The fourth proportional to 43,077.50, 64,616.30 and 20,894.14 is: 31,341.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,077.50 : 64,616.30 = 20,894.14 : x
  2. Step 2: Convert to fraction form
    43,077.50/64,616.30 = 20,894.14/x
  3. Step 3: Cross multiply
    43,077.50x = 64,616.30 × 20,894.14
  4. Step 4: Simplify right side
    43,077.50x = 1,350,102,018.48
  5. Step 5: Solve for x
    x = 1,350,102,018.48/43,077.50
  6. Step 6: Final answer
    x = 31,341.23

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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.