Home / 65,320.44-90,145.76-36,649.17

Finding the Fourth Proportional to 65,320.44, 90,145.76 and 36,649.17

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Solution

The fourth proportional to 65,320.44, 90,145.76 and 36,649.17 is: 50,577.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,320.44 : 90,145.76 = 36,649.17 : x
  2. Step 2: Convert to fraction form
    65,320.44/90,145.76 = 36,649.17/x
  3. Step 3: Cross multiply
    65,320.44x = 90,145.76 × 36,649.17
  4. Step 4: Simplify right side
    65,320.44x = 3,303,767,283.02
  5. Step 5: Solve for x
    x = 3,303,767,283.02/65,320.44
  6. Step 6: Final answer
    x = 50,577.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.