Home / 51,430.19-77,151.44-18,143.37

Finding the Fourth Proportional to 51,430.19, 77,151.44 and 18,143.37

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Solution

The fourth proportional to 51,430.19, 77,151.44 and 18,143.37 is: 27,217.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,430.19 : 77,151.44 = 18,143.37 : x
  2. Step 2: Convert to fraction form
    51,430.19/77,151.44 = 18,143.37/x
  3. Step 3: Cross multiply
    51,430.19x = 77,151.44 × 18,143.37
  4. Step 4: Simplify right side
    51,430.19x = 1,399,787,167.31
  5. Step 5: Solve for x
    x = 1,399,787,167.31/51,430.19
  6. Step 6: Final answer
    x = 27,217.23

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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.