Home / 51,501.19-71,061.37-31,344.57

Finding the Fourth Proportional to 51,501.19, 71,061.37 and 31,344.57

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Solution

The fourth proportional to 51,501.19, 71,061.37 and 31,344.57 is: 43,249.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,501.19 : 71,061.37 = 31,344.57 : x
  2. Step 2: Convert to fraction form
    51,501.19/71,061.37 = 31,344.57/x
  3. Step 3: Cross multiply
    51,501.19x = 71,061.37 × 31,344.57
  4. Step 4: Simplify right side
    51,501.19x = 2,227,388,086.26
  5. Step 5: Solve for x
    x = 2,227,388,086.26/51,501.19
  6. Step 6: Final answer
    x = 43,249.25

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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.