Home / 39,831.80-59,784.62-20,124.18

Finding the Fourth Proportional to 39,831.80, 59,784.62 and 20,124.18

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Solution

The fourth proportional to 39,831.80, 59,784.62 and 20,124.18 is: 30,204.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,831.80 : 59,784.62 = 20,124.18 : x
  2. Step 2: Convert to fraction form
    39,831.80/59,784.62 = 20,124.18/x
  3. Step 3: Cross multiply
    39,831.80x = 59,784.62 × 20,124.18
  4. Step 4: Simplify right side
    39,831.80x = 1,203,116,353.49
  5. Step 5: Solve for x
    x = 1,203,116,353.49/39,831.80
  6. Step 6: Final answer
    x = 30,204.92

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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.