Home / 31,313.94-43,214.99-18,574.66

Finding the Fourth Proportional to 31,313.94, 43,214.99 and 18,574.66

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Solution

The fourth proportional to 31,313.94, 43,214.99 and 18,574.66 is: 25,634.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,313.94 : 43,214.99 = 18,574.66 : x
  2. Step 2: Convert to fraction form
    31,313.94/43,214.99 = 18,574.66/x
  3. Step 3: Cross multiply
    31,313.94x = 43,214.99 × 18,574.66
  4. Step 4: Simplify right side
    31,313.94x = 802,703,746.15
  5. Step 5: Solve for x
    x = 802,703,746.15/31,313.94
  6. Step 6: Final answer
    x = 25,634.07

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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.