Home / 51,127.45-76,703.60-17,395.71

Finding the Fourth Proportional to 51,127.45, 76,703.60 and 17,395.71

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Solution

The fourth proportional to 51,127.45, 76,703.60 and 17,395.71 is: 26,097.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,127.45 : 76,703.60 = 17,395.71 : x
  2. Step 2: Convert to fraction form
    51,127.45/76,703.60 = 17,395.71/x
  3. Step 3: Cross multiply
    51,127.45x = 76,703.60 × 17,395.71
  4. Step 4: Simplify right side
    51,127.45x = 1,334,313,111.06
  5. Step 5: Solve for x
    x = 1,334,313,111.06/51,127.45
  6. Step 6: Final answer
    x = 26,097.79

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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.