Home / 31,802.40-43,887.36-17,654.88

Finding the Fourth Proportional to 31,802.40, 43,887.36 and 17,654.88

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Solution

The fourth proportional to 31,802.40, 43,887.36 and 17,654.88 is: 24,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,802.40 : 43,887.36 = 17,654.88 : x
  2. Step 2: Convert to fraction form
    31,802.40/43,887.36 = 17,654.88/x
  3. Step 3: Cross multiply
    31,802.40x = 43,887.36 × 17,654.88
  4. Step 4: Simplify right side
    31,802.40x = 774,826,074.32
  5. Step 5: Solve for x
    x = 774,826,074.32/31,802.40
  6. Step 6: Final answer
    x = 24,363.76

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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.