Home / 30,581.56-45,853.49-10,586.40

Finding the Fourth Proportional to 30,581.56, 45,853.49 and 10,586.40

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Solution

The fourth proportional to 30,581.56, 45,853.49 and 10,586.40 is: 15,873.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,581.56 : 45,853.49 = 10,586.40 : x
  2. Step 2: Convert to fraction form
    30,581.56/45,853.49 = 10,586.40/x
  3. Step 3: Cross multiply
    30,581.56x = 45,853.49 × 10,586.40
  4. Step 4: Simplify right side
    30,581.56x = 485,423,553.52
  5. Step 5: Solve for x
    x = 485,423,553.52/30,581.56
  6. Step 6: Final answer
    x = 15,873.08

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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.