Home / 53,131.32-73,318.86-30,454.06

Finding the Fourth Proportional to 53,131.32, 73,318.86 and 30,454.06

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Solution

The fourth proportional to 53,131.32, 73,318.86 and 30,454.06 is: 42,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,131.32 : 73,318.86 = 30,454.06 : x
  2. Step 2: Convert to fraction form
    53,131.32/73,318.86 = 30,454.06/x
  3. Step 3: Cross multiply
    53,131.32x = 73,318.86 × 30,454.06
  4. Step 4: Simplify right side
    53,131.32x = 2,232,856,961.57
  5. Step 5: Solve for x
    x = 2,232,856,961.57/53,131.32
  6. Step 6: Final answer
    x = 42,025.25

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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.