Home / 51,831.46-71,527.92-28,861.61

Finding the Fourth Proportional to 51,831.46, 71,527.92 and 28,861.61

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Solution

The fourth proportional to 51,831.46, 71,527.92 and 28,861.61 is: 39,829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,831.46 : 71,527.92 = 28,861.61 : x
  2. Step 2: Convert to fraction form
    51,831.46/71,527.92 = 28,861.61/x
  3. Step 3: Cross multiply
    51,831.46x = 71,527.92 × 28,861.61
  4. Step 4: Simplify right side
    51,831.46x = 2,064,410,931.15
  5. Step 5: Solve for x
    x = 2,064,410,931.15/51,831.46
  6. Step 6: Final answer
    x = 39,829.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.