Home / 39,552.47-59,343.28-20,831.75

Finding the Fourth Proportional to 39,552.47, 59,343.28 and 20,831.75

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Solution

The fourth proportional to 39,552.47, 59,343.28 and 20,831.75 is: 31,255.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,552.47 : 59,343.28 = 20,831.75 : x
  2. Step 2: Convert to fraction form
    39,552.47/59,343.28 = 20,831.75/x
  3. Step 3: Cross multiply
    39,552.47x = 59,343.28 × 20,831.75
  4. Step 4: Simplify right side
    39,552.47x = 1,236,224,364.06
  5. Step 5: Solve for x
    x = 1,236,224,364.06/39,552.47
  6. Step 6: Final answer
    x = 31,255.30

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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.