Home / 51,311.61-70,831.67-31,175.01

Finding the Fourth Proportional to 51,311.61, 70,831.67 and 31,175.01

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Solution

The fourth proportional to 51,311.61, 70,831.67 and 31,175.01 is: 43,034.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,311.61 : 70,831.67 = 31,175.01 : x
  2. Step 2: Convert to fraction form
    51,311.61/70,831.67 = 31,175.01/x
  3. Step 3: Cross multiply
    51,311.61x = 70,831.67 × 31,175.01
  4. Step 4: Simplify right side
    51,311.61x = 2,208,177,864.69
  5. Step 5: Solve for x
    x = 2,208,177,864.69/51,311.61
  6. Step 6: Final answer
    x = 43,034.66

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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.