Home / 31,359.60-43,272.99-17,749.17

Finding the Fourth Proportional to 31,359.60, 43,272.99 and 17,749.17

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Solution

The fourth proportional to 31,359.60, 43,272.99 and 17,749.17 is: 24,492.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,359.60 : 43,272.99 = 17,749.17 : x
  2. Step 2: Convert to fraction form
    31,359.60/43,272.99 = 17,749.17/x
  3. Step 3: Cross multiply
    31,359.60x = 43,272.99 × 17,749.17
  4. Step 4: Simplify right side
    31,359.60x = 768,059,655.92
  5. Step 5: Solve for x
    x = 768,059,655.92/31,359.60
  6. Step 6: Final answer
    x = 24,492.01

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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.