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Finding the Fourth Proportional to 43,677, 65,812.95 and 38,903.04

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Solution

The fourth proportional to 43,677, 65,812.95 and 38,903.04 is: 58,619.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,677 : 65,812.95 = 38,903.04 : x
  2. Step 2: Convert to fraction form
    43,677/65,812.95 = 38,903.04/x
  3. Step 3: Cross multiply
    43,677x = 65,812.95 × 38,903.04
  4. Step 4: Simplify right side
    43,677x = 2,560,323,826.37
  5. Step 5: Solve for x
    x = 2,560,323,826.37/43,677
  6. Step 6: Final answer
    x = 58,619.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.