Home / 43,141.55-64,712.28-13,561.97

Finding the Fourth Proportional to 43,141.55, 64,712.28 and 13,561.97

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Solution

The fourth proportional to 43,141.55, 64,712.28 and 13,561.97 is: 20,342.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,141.55 : 64,712.28 = 13,561.97 : x
  2. Step 2: Convert to fraction form
    43,141.55/64,712.28 = 13,561.97/x
  3. Step 3: Cross multiply
    43,141.55x = 64,712.28 × 13,561.97
  4. Step 4: Simplify right side
    43,141.55x = 877,625,999.99
  5. Step 5: Solve for x
    x = 877,625,999.99/43,141.55
  6. Step 6: Final answer
    x = 20,342.94

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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.