Home / 57,326.25-79,108.75-31,831.98

Finding the Fourth Proportional to 57,326.25, 79,108.75 and 31,831.98

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Solution

The fourth proportional to 57,326.25, 79,108.75 and 31,831.98 is: 43,927.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,326.25 : 79,108.75 = 31,831.98 : x
  2. Step 2: Convert to fraction form
    57,326.25/79,108.75 = 31,831.98/x
  3. Step 3: Cross multiply
    57,326.25x = 79,108.75 × 31,831.98
  4. Step 4: Simplify right side
    57,326.25x = 2,518,188,147.83
  5. Step 5: Solve for x
    x = 2,518,188,147.83/57,326.25
  6. Step 6: Final answer
    x = 43,927.31

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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.