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Finding the Fourth Proportional to 39,461.40, 59,076.90 and 35,314.20

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Solution

The fourth proportional to 39,461.40, 59,076.90 and 35,314.20 is: 52,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,461.40 : 59,076.90 = 35,314.20 : x
  2. Step 2: Convert to fraction form
    39,461.40/59,076.90 = 35,314.20/x
  3. Step 3: Cross multiply
    39,461.40x = 59,076.90 × 35,314.20
  4. Step 4: Simplify right side
    39,461.40x = 2,086,253,461.98
  5. Step 5: Solve for x
    x = 2,086,253,461.98/39,461.40
  6. Step 6: Final answer
    x = 52,868.21

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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.