Home / 49,451.40-74,104.20-42,015.60

Finding the Fourth Proportional to 49,451.40, 74,104.20 and 42,015.60

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Solution

The fourth proportional to 49,451.40, 74,104.20 and 42,015.60 is: 62,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,451.40 : 74,104.20 = 42,015.60 : x
  2. Step 2: Convert to fraction form
    49,451.40/74,104.20 = 42,015.60/x
  3. Step 3: Cross multiply
    49,451.40x = 74,104.20 × 42,015.60
  4. Step 4: Simplify right side
    49,451.40x = 3,113,532,425.52
  5. Step 5: Solve for x
    x = 3,113,532,425.52/49,451.40
  6. Step 6: Final answer
    x = 62,961.46

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1.5x scale

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.