Home / 35,936.40-53,831.70-20,335.80

Finding the Fourth Proportional to 35,936.40, 53,831.70 and 20,335.80

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Solution

The fourth proportional to 35,936.40, 53,831.70 and 20,335.80 is: 30,462.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,936.40 : 53,831.70 = 20,335.80 : x
  2. Step 2: Convert to fraction form
    35,936.40/53,831.70 = 20,335.80/x
  3. Step 3: Cross multiply
    35,936.40x = 53,831.70 × 20,335.80
  4. Step 4: Simplify right side
    35,936.40x = 1,094,710,684.86
  5. Step 5: Solve for x
    x = 1,094,710,684.86/35,936.40
  6. Step 6: Final answer
    x = 30,462.45

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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.