Home / 55,206.32-76,187.03-31,335.21

Finding the Fourth Proportional to 55,206.32, 76,187.03 and 31,335.21

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Solution

The fourth proportional to 55,206.32, 76,187.03 and 31,335.21 is: 43,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,206.32 : 76,187.03 = 31,335.21 : x
  2. Step 2: Convert to fraction form
    55,206.32/76,187.03 = 31,335.21/x
  3. Step 3: Cross multiply
    55,206.32x = 76,187.03 × 31,335.21
  4. Step 4: Simplify right side
    55,206.32x = 2,387,336,427.65
  5. Step 5: Solve for x
    x = 2,387,336,427.65/55,206.32
  6. Step 6: Final answer
    x = 43,243.90

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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.