Home / 40,438.72-55,809.52-22,536.64

Finding the Fourth Proportional to 40,438.72, 55,809.52 and 22,536.64

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Solution

The fourth proportional to 40,438.72, 55,809.52 and 22,536.64 is: 31,102.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,438.72 : 55,809.52 = 22,536.64 : x
  2. Step 2: Convert to fraction form
    40,438.72/55,809.52 = 22,536.64/x
  3. Step 3: Cross multiply
    40,438.72x = 55,809.52 × 22,536.64
  4. Step 4: Simplify right side
    40,438.72x = 1,257,759,060.81
  5. Step 5: Solve for x
    x = 1,257,759,060.81/40,438.72
  6. Step 6: Final answer
    x = 31,102.84

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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.