Home / 51,649.11-77,448.06-18,364.17

Finding the Fourth Proportional to 51,649.11, 77,448.06 and 18,364.17

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Solution

The fourth proportional to 51,649.11, 77,448.06 and 18,364.17 is: 27,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,649.11 : 77,448.06 = 18,364.17 : x
  2. Step 2: Convert to fraction form
    51,649.11/77,448.06 = 18,364.17/x
  3. Step 3: Cross multiply
    51,649.11x = 77,448.06 × 18,364.17
  4. Step 4: Simplify right side
    51,649.11x = 1,422,269,340.01
  5. Step 5: Solve for x
    x = 1,422,269,340.01/51,649.11
  6. Step 6: Final answer
    x = 27,537.15

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1.5x scale

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.