Home / 57,255.25-79,012.45-31,762.12

Finding the Fourth Proportional to 57,255.25, 79,012.45 and 31,762.12

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Solution

The fourth proportional to 57,255.25, 79,012.45 and 31,762.12 is: 43,831.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,255.25 : 79,012.45 = 31,762.12 : x
  2. Step 2: Convert to fraction form
    57,255.25/79,012.45 = 31,762.12/x
  3. Step 3: Cross multiply
    57,255.25x = 79,012.45 × 31,762.12
  4. Step 4: Simplify right side
    57,255.25x = 2,509,602,759.58
  5. Step 5: Solve for x
    x = 2,509,602,759.58/57,255.25
  6. Step 6: Final answer
    x = 43,831.84

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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.