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Finding the Fourth Proportional to 43,764.40, 65,646.60 and 27,070.30

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Solution

The fourth proportional to 43,764.40, 65,646.60 and 27,070.30 is: 40,605.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,764.40 : 65,646.60 = 27,070.30 : x
  2. Step 2: Convert to fraction form
    43,764.40/65,646.60 = 27,070.30/x
  3. Step 3: Cross multiply
    43,764.40x = 65,646.60 × 27,070.30
  4. Step 4: Simplify right side
    43,764.40x = 1,777,073,155.98
  5. Step 5: Solve for x
    x = 1,777,073,155.98/43,764.40
  6. Step 6: Final answer
    x = 40,605.45

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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.