Home / 31,504.92-43,457.55-18,749.54

Finding the Fourth Proportional to 31,504.92, 43,457.55 and 18,749.54

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Solution

The fourth proportional to 31,504.92, 43,457.55 and 18,749.54 is: 25,862.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504.92 : 43,457.55 = 18,749.54 : x
  2. Step 2: Convert to fraction form
    31,504.92/43,457.55 = 18,749.54/x
  3. Step 3: Cross multiply
    31,504.92x = 43,457.55 × 18,749.54
  4. Step 4: Simplify right side
    31,504.92x = 814,808,854.74
  5. Step 5: Solve for x
    x = 814,808,854.74/31,504.92
  6. Step 6: Final answer
    x = 25,862.91

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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.