Home / 40,165.92-60,137.64-30,275.28

Finding the Fourth Proportional to 40,165.92, 60,137.64 and 30,275.28

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Solution

The fourth proportional to 40,165.92, 60,137.64 and 30,275.28 is: 45,329.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,165.92 : 60,137.64 = 30,275.28 : x
  2. Step 2: Convert to fraction form
    40,165.92/60,137.64 = 30,275.28/x
  3. Step 3: Cross multiply
    40,165.92x = 60,137.64 × 30,275.28
  4. Step 4: Simplify right side
    40,165.92x = 1,820,683,889.54
  5. Step 5: Solve for x
    x = 1,820,683,889.54/40,165.92
  6. Step 6: Final answer
    x = 45,329.07

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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.