Home / 40,533.75-60,810.35-12,831.75

Finding the Fourth Proportional to 40,533.75, 60,810.35 and 12,831.75

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Solution

The fourth proportional to 40,533.75, 60,810.35 and 12,831.75 is: 19,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,533.75 : 60,810.35 = 12,831.75 : x
  2. Step 2: Convert to fraction form
    40,533.75/60,810.35 = 12,831.75/x
  3. Step 3: Cross multiply
    40,533.75x = 60,810.35 × 12,831.75
  4. Step 4: Simplify right side
    40,533.75x = 780,303,144.45
  5. Step 5: Solve for x
    x = 780,303,144.45/40,533.75
  6. Step 6: Final answer
    x = 19,250.70

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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.