Home / 40,629.30-60,919.65-20,946.30

Finding the Fourth Proportional to 40,629.30, 60,919.65 and 20,946.30

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Solution

The fourth proportional to 40,629.30, 60,919.65 and 20,946.30 is: 31,406.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,629.30 : 60,919.65 = 20,946.30 : x
  2. Step 2: Convert to fraction form
    40,629.30/60,919.65 = 20,946.30/x
  3. Step 3: Cross multiply
    40,629.30x = 60,919.65 × 20,946.30
  4. Step 4: Simplify right side
    40,629.30x = 1,276,041,264.80
  5. Step 5: Solve for x
    x = 1,276,041,264.80/40,629.30
  6. Step 6: Final answer
    x = 31,406.92

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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.