Home / 40,143.28-60,216.84-19,384.24

Finding the Fourth Proportional to 40,143.28, 60,216.84 and 19,384.24

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Solution

The fourth proportional to 40,143.28, 60,216.84 and 19,384.24 is: 29,077.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,143.28 : 60,216.84 = 19,384.24 : x
  2. Step 2: Convert to fraction form
    40,143.28/60,216.84 = 19,384.24/x
  3. Step 3: Cross multiply
    40,143.28x = 60,216.84 × 19,384.24
  4. Step 4: Simplify right side
    40,143.28x = 1,167,257,678.60
  5. Step 5: Solve for x
    x = 1,167,257,678.60/40,143.28
  6. Step 6: Final answer
    x = 29,077.29

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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.