Home / 39,938.46-59,899.18-11,850.90

Finding the Fourth Proportional to 39,938.46, 59,899.18 and 11,850.90

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Solution

The fourth proportional to 39,938.46, 59,899.18 and 11,850.90 is: 17,773.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938.46 : 59,899.18 = 11,850.90 : x
  2. Step 2: Convert to fraction form
    39,938.46/59,899.18 = 11,850.90/x
  3. Step 3: Cross multiply
    39,938.46x = 59,899.18 × 11,850.90
  4. Step 4: Simplify right side
    39,938.46x = 709,859,192.26
  5. Step 5: Solve for x
    x = 709,859,192.26/39,938.46
  6. Step 6: Final answer
    x = 17,773.82

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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.