Home / 40,964.32-61,446.44-12,886.84

Finding the Fourth Proportional to 40,964.32, 61,446.44 and 12,886.84

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Solution

The fourth proportional to 40,964.32, 61,446.44 and 12,886.84 is: 19,330.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,964.32 : 61,446.44 = 12,886.84 : x
  2. Step 2: Convert to fraction form
    40,964.32/61,446.44 = 12,886.84/x
  3. Step 3: Cross multiply
    40,964.32x = 61,446.44 × 12,886.84
  4. Step 4: Simplify right side
    40,964.32x = 791,850,440.85
  5. Step 5: Solve for x
    x = 791,850,440.85/40,964.32
  6. Step 6: Final answer
    x = 19,330.25

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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.