Home / 55,615.86-76,763.62-31,756.38

Finding the Fourth Proportional to 55,615.86, 76,763.62 and 31,756.38

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Solution

The fourth proportional to 55,615.86, 76,763.62 and 31,756.38 is: 43,831.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,615.86 : 76,763.62 = 31,756.38 : x
  2. Step 2: Convert to fraction form
    55,615.86/76,763.62 = 31,756.38/x
  3. Step 3: Cross multiply
    55,615.86x = 76,763.62 × 31,756.38
  4. Step 4: Simplify right side
    55,615.86x = 2,437,734,686.90
  5. Step 5: Solve for x
    x = 2,437,734,686.90/55,615.86
  6. Step 6: Final answer
    x = 43,831.65

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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.