Home / 29,143.53-40,211.91-18,529.29

Finding the Fourth Proportional to 29,143.53, 40,211.91 and 18,529.29

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Solution

The fourth proportional to 29,143.53, 40,211.91 and 18,529.29 is: 25,566.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,143.53 : 40,211.91 = 18,529.29 : x
  2. Step 2: Convert to fraction form
    29,143.53/40,211.91 = 18,529.29/x
  3. Step 3: Cross multiply
    29,143.53x = 40,211.91 × 18,529.29
  4. Step 4: Simplify right side
    29,143.53x = 745,098,141.84
  5. Step 5: Solve for x
    x = 745,098,141.84/29,143.53
  6. Step 6: Final answer
    x = 25,566.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.