Home / 51,147.45-70,593.26-31,015.31

Finding the Fourth Proportional to 51,147.45, 70,593.26 and 31,015.31

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Solution

The fourth proportional to 51,147.45, 70,593.26 and 31,015.31 is: 42,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,147.45 : 70,593.26 = 31,015.31 : x
  2. Step 2: Convert to fraction form
    51,147.45/70,593.26 = 31,015.31/x
  3. Step 3: Cross multiply
    51,147.45x = 70,593.26 × 31,015.31
  4. Step 4: Simplify right side
    51,147.45x = 2,189,471,334.77
  5. Step 5: Solve for x
    x = 2,189,471,334.77/51,147.45
  6. Step 6: Final answer
    x = 42,807.05

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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.