Home / 31,842.59-43,931.58-19,099.90

Finding the Fourth Proportional to 31,842.59, 43,931.58 and 19,099.90

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Solution

The fourth proportional to 31,842.59, 43,931.58 and 19,099.90 is: 26,351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,842.59 : 43,931.58 = 19,099.90 : x
  2. Step 2: Convert to fraction form
    31,842.59/43,931.58 = 19,099.90/x
  3. Step 3: Cross multiply
    31,842.59x = 43,931.58 × 19,099.90
  4. Step 4: Simplify right side
    31,842.59x = 839,088,784.84
  5. Step 5: Solve for x
    x = 839,088,784.84/31,842.59
  6. Step 6: Final answer
    x = 26,351.15

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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.