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Finding the Fourth Proportional to 39,395.66, 59,080.66 and 13,093.34

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Solution

The fourth proportional to 39,395.66, 59,080.66 and 13,093.34 is: 19,635.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,395.66 : 59,080.66 = 13,093.34 : x
  2. Step 2: Convert to fraction form
    39,395.66/59,080.66 = 13,093.34/x
  3. Step 3: Cross multiply
    39,395.66x = 59,080.66 × 13,093.34
  4. Step 4: Simplify right side
    39,395.66x = 773,562,840.67
  5. Step 5: Solve for x
    x = 773,562,840.67/39,395.66
  6. Step 6: Final answer
    x = 19,635.74

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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.