Home / 31,346.64-43,246.44-19,077.84

Finding the Fourth Proportional to 31,346.64, 43,246.44 and 19,077.84

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Solution

The fourth proportional to 31,346.64, 43,246.44 and 19,077.84 is: 26,320.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,346.64 : 43,246.44 = 19,077.84 : x
  2. Step 2: Convert to fraction form
    31,346.64/43,246.44 = 19,077.84/x
  3. Step 3: Cross multiply
    31,346.64x = 43,246.44 × 19,077.84
  4. Step 4: Simplify right side
    31,346.64x = 825,048,662.89
  5. Step 5: Solve for x
    x = 825,048,662.89/31,346.64
  6. Step 6: Final answer
    x = 26,320.16

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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.