Home / 53,643.28-80,463.70-31,596.51

Finding the Fourth Proportional to 53,643.28, 80,463.70 and 31,596.51

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Solution

The fourth proportional to 53,643.28, 80,463.70 and 31,596.51 is: 47,394.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,643.28 : 80,463.70 = 31,596.51 : x
  2. Step 2: Convert to fraction form
    53,643.28/80,463.70 = 31,596.51/x
  3. Step 3: Cross multiply
    53,643.28x = 80,463.70 × 31,596.51
  4. Step 4: Simplify right side
    53,643.28x = 2,542,372,101.69
  5. Step 5: Solve for x
    x = 2,542,372,101.69/53,643.28
  6. Step 6: Final answer
    x = 47,394.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.