Home / 65,236.21-90,025.96-36,947.36

Finding the Fourth Proportional to 65,236.21, 90,025.96 and 36,947.36

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Solution

The fourth proportional to 65,236.21, 90,025.96 and 36,947.36 is: 50,987.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,236.21 : 90,025.96 = 36,947.36 : x
  2. Step 2: Convert to fraction form
    65,236.21/90,025.96 = 36,947.36/x
  3. Step 3: Cross multiply
    65,236.21x = 90,025.96 × 36,947.36
  4. Step 4: Simplify right side
    65,236.21x = 3,326,221,368.73
  5. Step 5: Solve for x
    x = 3,326,221,368.73/65,236.21
  6. Step 6: Final answer
    x = 50,987.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.