Home / 65,280.75-90,091.08-36,995.55

Finding the Fourth Proportional to 65,280.75, 90,091.08 and 36,995.55

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Solution

The fourth proportional to 65,280.75, 90,091.08 and 36,995.55 is: 51,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,280.75 : 90,091.08 = 36,995.55 : x
  2. Step 2: Convert to fraction form
    65,280.75/90,091.08 = 36,995.55/x
  3. Step 3: Cross multiply
    65,280.75x = 90,091.08 × 36,995.55
  4. Step 4: Simplify right side
    65,280.75x = 3,332,969,054.69
  5. Step 5: Solve for x
    x = 3,332,969,054.69/65,280.75
  6. Step 6: Final answer
    x = 51,055.92

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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.