Home / 40,908.08-56,452.32-22,758.40

Finding the Fourth Proportional to 40,908.08, 56,452.32 and 22,758.40

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Solution

The fourth proportional to 40,908.08, 56,452.32 and 22,758.40 is: 31,406.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,908.08 : 56,452.32 = 22,758.40 : x
  2. Step 2: Convert to fraction form
    40,908.08/56,452.32 = 22,758.40/x
  3. Step 3: Cross multiply
    40,908.08x = 56,452.32 × 22,758.40
  4. Step 4: Simplify right side
    40,908.08x = 1,284,764,479.49
  5. Step 5: Solve for x
    x = 1,284,764,479.49/40,908.08
  6. Step 6: Final answer
    x = 31,406.13

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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.