Home / 64,729.14-89,314.29-36,428.82

Finding the Fourth Proportional to 64,729.14, 89,314.29 and 36,428.82

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Solution

The fourth proportional to 64,729.14, 89,314.29 and 36,428.82 is: 50,265.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,729.14 : 89,314.29 = 36,428.82 : x
  2. Step 2: Convert to fraction form
    64,729.14/89,314.29 = 36,428.82/x
  3. Step 3: Cross multiply
    64,729.14x = 89,314.29 × 36,428.82
  4. Step 4: Simplify right side
    64,729.14x = 3,253,614,193.84
  5. Step 5: Solve for x
    x = 3,253,614,193.84/64,729.14
  6. Step 6: Final answer
    x = 50,265.06

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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.