Home / 65,705.06-90,677.76-37,410.86

Finding the Fourth Proportional to 65,705.06, 90,677.76 and 37,410.86

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Solution

The fourth proportional to 65,705.06, 90,677.76 and 37,410.86 is: 51,629.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,705.06 : 90,677.76 = 37,410.86 : x
  2. Step 2: Convert to fraction form
    65,705.06/90,677.76 = 37,410.86/x
  3. Step 3: Cross multiply
    65,705.06x = 90,677.76 × 37,410.86
  4. Step 4: Simplify right side
    65,705.06x = 3,392,332,984.47
  5. Step 5: Solve for x
    x = 3,392,332,984.47/65,705.06
  6. Step 6: Final answer
    x = 51,629.71

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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.