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Finding the Fourth Proportional to 39,858.60, 59,793.30 and 14,892.60

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Solution

The fourth proportional to 39,858.60, 59,793.30 and 14,892.60 is: 22,340.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,858.60 : 59,793.30 = 14,892.60 : x
  2. Step 2: Convert to fraction form
    39,858.60/59,793.30 = 14,892.60/x
  3. Step 3: Cross multiply
    39,858.60x = 59,793.30 × 14,892.60
  4. Step 4: Simplify right side
    39,858.60x = 890,477,699.58
  5. Step 5: Solve for x
    x = 890,477,699.58/39,858.60
  6. Step 6: Final answer
    x = 22,340.92

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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.