Home / 43,023.11-64,543.77-13,443.17

Finding the Fourth Proportional to 43,023.11, 64,543.77 and 13,443.17

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Solution

The fourth proportional to 43,023.11, 64,543.77 and 13,443.17 is: 20,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,023.11 : 64,543.77 = 13,443.17 : x
  2. Step 2: Convert to fraction form
    43,023.11/64,543.77 = 13,443.17/x
  3. Step 3: Cross multiply
    43,023.11x = 64,543.77 × 13,443.17
  4. Step 4: Simplify right side
    43,023.11x = 867,672,872.55
  5. Step 5: Solve for x
    x = 867,672,872.55/43,023.11
  6. Step 6: Final answer
    x = 20,167.60

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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.