Home / 40,312.08-55,628.10-22,406.04

Finding the Fourth Proportional to 40,312.08, 55,628.10 and 22,406.04

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Solution

The fourth proportional to 40,312.08, 55,628.10 and 22,406.04 is: 30,918.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,312.08 : 55,628.10 = 22,406.04 : x
  2. Step 2: Convert to fraction form
    40,312.08/55,628.10 = 22,406.04/x
  3. Step 3: Cross multiply
    40,312.08x = 55,628.10 × 22,406.04
  4. Step 4: Simplify right side
    40,312.08x = 1,246,405,433.72
  5. Step 5: Solve for x
    x = 1,246,405,433.72/40,312.08
  6. Step 6: Final answer
    x = 30,918.91

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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.