Home / 57,402.58-79,215.50-31,908.16

Finding the Fourth Proportional to 57,402.58, 79,215.50 and 31,908.16

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Solution

The fourth proportional to 57,402.58, 79,215.50 and 31,908.16 is: 44,033.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,402.58 : 79,215.50 = 31,908.16 : x
  2. Step 2: Convert to fraction form
    57,402.58/79,215.50 = 31,908.16/x
  3. Step 3: Cross multiply
    57,402.58x = 79,215.50 × 31,908.16
  4. Step 4: Simplify right side
    57,402.58x = 2,527,620,848.48
  5. Step 5: Solve for x
    x = 2,527,620,848.48/57,402.58
  6. Step 6: Final answer
    x = 44,033.23

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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.