Home / 43,831.17-65,660.22-28,995.21

Finding the Fourth Proportional to 43,831.17, 65,660.22 and 28,995.21

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Solution

The fourth proportional to 43,831.17, 65,660.22 and 28,995.21 is: 43,435.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,831.17 : 65,660.22 = 28,995.21 : x
  2. Step 2: Convert to fraction form
    43,831.17/65,660.22 = 28,995.21/x
  3. Step 3: Cross multiply
    43,831.17x = 65,660.22 × 28,995.21
  4. Step 4: Simplify right side
    43,831.17x = 1,903,831,867.55
  5. Step 5: Solve for x
    x = 1,903,831,867.55/43,831.17
  6. Step 6: Final answer
    x = 43,435.57

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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.