Home / 37,415.19-51,633.26-20,419.57

Finding the Fourth Proportional to 37,415.19, 51,633.26 and 20,419.57

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Solution

The fourth proportional to 37,415.19, 51,633.26 and 20,419.57 is: 28,179.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,415.19 : 51,633.26 = 20,419.57 : x
  2. Step 2: Convert to fraction form
    37,415.19/51,633.26 = 20,419.57/x
  3. Step 3: Cross multiply
    37,415.19x = 51,633.26 × 20,419.57
  4. Step 4: Simplify right side
    37,415.19x = 1,054,328,966.90
  5. Step 5: Solve for x
    x = 1,054,328,966.90/37,415.19
  6. Step 6: Final answer
    x = 28,179.17

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1.5x scale

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.