Home / 43,703.49-65,505.68-38,428.32

Finding the Fourth Proportional to 43,703.49, 65,505.68 and 38,428.32

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Solution

The fourth proportional to 43,703.49, 65,505.68 and 38,428.32 is: 57,598.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,703.49 : 65,505.68 = 38,428.32 : x
  2. Step 2: Convert to fraction form
    43,703.49/65,505.68 = 38,428.32/x
  3. Step 3: Cross multiply
    43,703.49x = 65,505.68 × 38,428.32
  4. Step 4: Simplify right side
    43,703.49x = 2,517,273,040.72
  5. Step 5: Solve for x
    x = 2,517,273,040.72/43,703.49
  6. Step 6: Final answer
    x = 57,598.90

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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.