Home / 40,403.68-60,830.24-35,504.80

Finding the Fourth Proportional to 40,403.68, 60,830.24 and 35,504.80

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Solution

The fourth proportional to 40,403.68, 60,830.24 and 35,504.80 is: 53,454.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,403.68 : 60,830.24 = 35,504.80 : x
  2. Step 2: Convert to fraction form
    40,403.68/60,830.24 = 35,504.80/x
  3. Step 3: Cross multiply
    40,403.68x = 60,830.24 × 35,504.80
  4. Step 4: Simplify right side
    40,403.68x = 2,159,765,505.15
  5. Step 5: Solve for x
    x = 2,159,765,505.15/40,403.68
  6. Step 6: Final answer
    x = 53,454.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.