Home / 51,154.86-70,597.26-31,012.60

Finding the Fourth Proportional to 51,154.86, 70,597.26 and 31,012.60

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Solution

The fourth proportional to 51,154.86, 70,597.26 and 31,012.60 is: 42,799.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,154.86 : 70,597.26 = 31,012.60 : x
  2. Step 2: Convert to fraction form
    51,154.86/70,597.26 = 31,012.60/x
  3. Step 3: Cross multiply
    51,154.86x = 70,597.26 × 31,012.60
  4. Step 4: Simplify right side
    51,154.86x = 2,189,404,585.48
  5. Step 5: Solve for x
    x = 2,189,404,585.48/51,154.86
  6. Step 6: Final answer
    x = 42,799.54

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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.