Home / 34,346.40-51,548.40-16,831.20

Finding the Fourth Proportional to 34,346.40, 51,548.40 and 16,831.20

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Solution

The fourth proportional to 34,346.40, 51,548.40 and 16,831.20 is: 25,260.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,346.40 : 51,548.40 = 16,831.20 : x
  2. Step 2: Convert to fraction form
    34,346.40/51,548.40 = 16,831.20/x
  3. Step 3: Cross multiply
    34,346.40x = 51,548.40 × 16,831.20
  4. Step 4: Simplify right side
    34,346.40x = 867,621,430.08
  5. Step 5: Solve for x
    x = 867,621,430.08/34,346.40
  6. Step 6: Final answer
    x = 25,260.91

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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.