Home / 29,511.64-40,722.18-18,902.28

Finding the Fourth Proportional to 29,511.64, 40,722.18 and 18,902.28

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Solution

The fourth proportional to 29,511.64, 40,722.18 and 18,902.28 is: 26,082.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,511.64 : 40,722.18 = 18,902.28 : x
  2. Step 2: Convert to fraction form
    29,511.64/40,722.18 = 18,902.28/x
  3. Step 3: Cross multiply
    29,511.64x = 40,722.18 × 18,902.28
  4. Step 4: Simplify right side
    29,511.64x = 769,742,048.57
  5. Step 5: Solve for x
    x = 769,742,048.57/29,511.64
  6. Step 6: Final answer
    x = 26,082.66

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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.