Home / 40,904.10-61,356.15-31,062.60

Finding the Fourth Proportional to 40,904.10, 61,356.15 and 31,062.60

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Solution

The fourth proportional to 40,904.10, 61,356.15 and 31,062.60 is: 46,593.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,904.10 : 61,356.15 = 31,062.60 : x
  2. Step 2: Convert to fraction form
    40,904.10/61,356.15 = 31,062.60/x
  3. Step 3: Cross multiply
    40,904.10x = 61,356.15 × 31,062.60
  4. Step 4: Simplify right side
    40,904.10x = 1,905,881,544.99
  5. Step 5: Solve for x
    x = 1,905,881,544.99/40,904.10
  6. Step 6: Final answer
    x = 46,593.90

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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.