Home / 55,210.32-76,207.44-31,352.88

Finding the Fourth Proportional to 55,210.32, 76,207.44 and 31,352.88

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Solution

The fourth proportional to 55,210.32, 76,207.44 and 31,352.88 is: 43,276.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,210.32 : 76,207.44 = 31,352.88 : x
  2. Step 2: Convert to fraction form
    55,210.32/76,207.44 = 31,352.88/x
  3. Step 3: Cross multiply
    55,210.32x = 76,207.44 × 31,352.88
  4. Step 4: Simplify right side
    55,210.32x = 2,389,322,721.43
  5. Step 5: Solve for x
    x = 2,389,322,721.43/55,210.32
  6. Step 6: Final answer
    x = 43,276.74

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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.