Home / 65,965.23-91,031.85-35,751.33

Finding the Fourth Proportional to 65,965.23, 91,031.85 and 35,751.33

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Solution

The fourth proportional to 65,965.23, 91,031.85 and 35,751.33 is: 49,336.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,965.23 : 91,031.85 = 35,751.33 : x
  2. Step 2: Convert to fraction form
    65,965.23/91,031.85 = 35,751.33/x
  3. Step 3: Cross multiply
    65,965.23x = 91,031.85 × 35,751.33
  4. Step 4: Simplify right side
    65,965.23x = 3,254,509,709.86
  5. Step 5: Solve for x
    x = 3,254,509,709.86/65,965.23
  6. Step 6: Final answer
    x = 49,336.74

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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.