Home / 51,707.52-71,363.04-31,560.16

Finding the Fourth Proportional to 51,707.52, 71,363.04 and 31,560.16

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Solution

The fourth proportional to 51,707.52, 71,363.04 and 31,560.16 is: 43,557.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,707.52 : 71,363.04 = 31,560.16 : x
  2. Step 2: Convert to fraction form
    51,707.52/71,363.04 = 31,560.16/x
  3. Step 3: Cross multiply
    51,707.52x = 71,363.04 × 31,560.16
  4. Step 4: Simplify right side
    51,707.52x = 2,252,228,960.49
  5. Step 5: Solve for x
    x = 2,252,228,960.49/51,707.52
  6. Step 6: Final answer
    x = 43,557.09

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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.