Home / 40,423.05-60,638.22-18,246.87

Finding the Fourth Proportional to 40,423.05, 60,638.22 and 18,246.87

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Solution

The fourth proportional to 40,423.05, 60,638.22 and 18,246.87 is: 27,371.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423.05 : 60,638.22 = 18,246.87 : x
  2. Step 2: Convert to fraction form
    40,423.05/60,638.22 = 18,246.87/x
  3. Step 3: Cross multiply
    40,423.05x = 60,638.22 × 18,246.87
  4. Step 4: Simplify right side
    40,423.05x = 1,106,457,717.37
  5. Step 5: Solve for x
    x = 1,106,457,717.37/40,423.05
  6. Step 6: Final answer
    x = 27,371.95

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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.