Home / 51,324.78-70,831.08-36,222.36

Finding the Fourth Proportional to 51,324.78, 70,831.08 and 36,222.36

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Solution

The fourth proportional to 51,324.78, 70,831.08 and 36,222.36 is: 49,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,324.78 : 70,831.08 = 36,222.36 : x
  2. Step 2: Convert to fraction form
    51,324.78/70,831.08 = 36,222.36/x
  3. Step 3: Cross multiply
    51,324.78x = 70,831.08 × 36,222.36
  4. Step 4: Simplify right side
    51,324.78x = 2,565,668,878.95
  5. Step 5: Solve for x
    x = 2,565,668,878.95/51,324.78
  6. Step 6: Final answer
    x = 49,988.89

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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.