Home / 43,027.71-64,541.61-13,445.70

Finding the Fourth Proportional to 43,027.71, 64,541.61 and 13,445.70

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Solution

The fourth proportional to 43,027.71, 64,541.61 and 13,445.70 is: 20,168.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,027.71 : 64,541.61 = 13,445.70 : x
  2. Step 2: Convert to fraction form
    43,027.71/64,541.61 = 13,445.70/x
  3. Step 3: Cross multiply
    43,027.71x = 64,541.61 × 13,445.70
  4. Step 4: Simplify right side
    43,027.71x = 867,806,883.55
  5. Step 5: Solve for x
    x = 867,806,883.55/43,027.71
  6. Step 6: Final answer
    x = 20,168.56

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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.