Home / 40,352.20-60,455.40-35,686.60

Finding the Fourth Proportional to 40,352.20, 60,455.40 and 35,686.60

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Solution

The fourth proportional to 40,352.20, 60,455.40 and 35,686.60 is: 53,465.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,352.20 : 60,455.40 = 35,686.60 : x
  2. Step 2: Convert to fraction form
    40,352.20/60,455.40 = 35,686.60/x
  3. Step 3: Cross multiply
    40,352.20x = 60,455.40 × 35,686.60
  4. Step 4: Simplify right side
    40,352.20x = 2,157,447,677.64
  5. Step 5: Solve for x
    x = 2,157,447,677.64/40,352.20
  6. Step 6: Final answer
    x = 53,465.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.