Home / 40,533.36-60,809.40-12,831.36

Finding the Fourth Proportional to 40,533.36, 60,809.40 and 12,831.36

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Solution

The fourth proportional to 40,533.36, 60,809.40 and 12,831.36 is: 19,250.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,533.36 : 60,809.40 = 12,831.36 : x
  2. Step 2: Convert to fraction form
    40,533.36/60,809.40 = 12,831.36/x
  3. Step 3: Cross multiply
    40,533.36x = 60,809.40 × 12,831.36
  4. Step 4: Simplify right side
    40,533.36x = 780,267,302.78
  5. Step 5: Solve for x
    x = 780,267,302.78/40,533.36
  6. Step 6: Final answer
    x = 19,250.00

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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.