Home / 31,341.25-47,016.74-10,276.39

Finding the Fourth Proportional to 31,341.25, 47,016.74 and 10,276.39

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Solution

The fourth proportional to 31,341.25, 47,016.74 and 10,276.39 is: 15,416.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,341.25 : 47,016.74 = 10,276.39 : x
  2. Step 2: Convert to fraction form
    31,341.25/47,016.74 = 10,276.39/x
  3. Step 3: Cross multiply
    31,341.25x = 47,016.74 × 10,276.39
  4. Step 4: Simplify right side
    31,341.25x = 483,162,356.77
  5. Step 5: Solve for x
    x = 483,162,356.77/31,341.25
  6. Step 6: Final answer
    x = 15,416.18

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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.