Home / 40,917.60-61,376.40-40,334.40

Finding the Fourth Proportional to 40,917.60, 61,376.40 and 40,334.40

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Solution

The fourth proportional to 40,917.60, 61,376.40 and 40,334.40 is: 60,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,917.60 : 61,376.40 = 40,334.40 : x
  2. Step 2: Convert to fraction form
    40,917.60/61,376.40 = 40,334.40/x
  3. Step 3: Cross multiply
    40,917.60x = 61,376.40 × 40,334.40
  4. Step 4: Simplify right side
    40,917.60x = 2,475,580,268.16
  5. Step 5: Solve for x
    x = 2,475,580,268.16/40,917.60
  6. Step 6: Final answer
    x = 60,501.60

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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.