Home / 51,152.87-70,594.50-31,010.60

Finding the Fourth Proportional to 51,152.87, 70,594.50 and 31,010.60

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Solution

The fourth proportional to 51,152.87, 70,594.50 and 31,010.60 is: 42,796.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,152.87 : 70,594.50 = 31,010.60 : x
  2. Step 2: Convert to fraction form
    51,152.87/70,594.50 = 31,010.60/x
  3. Step 3: Cross multiply
    51,152.87x = 70,594.50 × 31,010.60
  4. Step 4: Simplify right side
    51,152.87x = 2,189,177,293.67
  5. Step 5: Solve for x
    x = 2,189,177,293.67/51,152.87
  6. Step 6: Final answer
    x = 42,796.77

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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.