Home / 51,186.83-76,797.75-31,236.32

Finding the Fourth Proportional to 51,186.83, 76,797.75 and 31,236.32

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Solution

The fourth proportional to 51,186.83, 76,797.75 and 31,236.32 is: 46,865.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,186.83 : 76,797.75 = 31,236.32 : x
  2. Step 2: Convert to fraction form
    51,186.83/76,797.75 = 31,236.32/x
  3. Step 3: Cross multiply
    51,186.83x = 76,797.75 × 31,236.32
  4. Step 4: Simplify right side
    51,186.83x = 2,398,878,710.29
  5. Step 5: Solve for x
    x = 2,398,878,710.29/51,186.83
  6. Step 6: Final answer
    x = 46,865.16

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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.