Home / 65,043.21-89,761.38-36,748.29

Finding the Fourth Proportional to 65,043.21, 89,761.38 and 36,748.29

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Solution

The fourth proportional to 65,043.21, 89,761.38 and 36,748.29 is: 50,713.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,043.21 : 89,761.38 = 36,748.29 : x
  2. Step 2: Convert to fraction form
    65,043.21/89,761.38 = 36,748.29/x
  3. Step 3: Cross multiply
    65,043.21x = 89,761.38 × 36,748.29
  4. Step 4: Simplify right side
    65,043.21x = 3,298,577,223.04
  5. Step 5: Solve for x
    x = 3,298,577,223.04/65,043.21
  6. Step 6: Final answer
    x = 50,713.63

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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.