Home / 51,534.37-71,101.29-28,870.30

Finding the Fourth Proportional to 51,534.37, 71,101.29 and 28,870.30

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Solution

The fourth proportional to 51,534.37, 71,101.29 and 28,870.30 is: 39,831.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,534.37 : 71,101.29 = 28,870.30 : x
  2. Step 2: Convert to fraction form
    51,534.37/71,101.29 = 28,870.30/x
  3. Step 3: Cross multiply
    51,534.37x = 71,101.29 × 28,870.30
  4. Step 4: Simplify right side
    51,534.37x = 2,052,715,572.69
  5. Step 5: Solve for x
    x = 2,052,715,572.69/51,534.37
  6. Step 6: Final answer
    x = 39,831.97

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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.