Home / 30,557.52-45,869.04-25,680.96

Finding the Fourth Proportional to 30,557.52, 45,869.04 and 25,680.96

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Solution

The fourth proportional to 30,557.52, 45,869.04 and 25,680.96 is: 38,548.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,557.52 : 45,869.04 = 25,680.96 : x
  2. Step 2: Convert to fraction form
    30,557.52/45,869.04 = 25,680.96/x
  3. Step 3: Cross multiply
    30,557.52x = 45,869.04 × 25,680.96
  4. Step 4: Simplify right side
    30,557.52x = 1,177,960,981.48
  5. Step 5: Solve for x
    x = 1,177,960,981.48/30,557.52
  6. Step 6: Final answer
    x = 38,548.97

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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.