Home / 57,344.80-79,140.81-31,856.12

Finding the Fourth Proportional to 57,344.80, 79,140.81 and 31,856.12

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Solution

The fourth proportional to 57,344.80, 79,140.81 and 31,856.12 is: 43,964.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,344.80 : 79,140.81 = 31,856.12 : x
  2. Step 2: Convert to fraction form
    57,344.80/79,140.81 = 31,856.12/x
  3. Step 3: Cross multiply
    57,344.80x = 79,140.81 × 31,856.12
  4. Step 4: Simplify right side
    57,344.80x = 2,521,119,140.26
  5. Step 5: Solve for x
    x = 2,521,119,140.26/57,344.80
  6. Step 6: Final answer
    x = 43,964.22

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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.