Home / 31,466.75-47,199.91-12,746.51

Finding the Fourth Proportional to 31,466.75, 47,199.91 and 12,746.51

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Solution

The fourth proportional to 31,466.75, 47,199.91 and 12,746.51 is: 19,119.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,466.75 : 47,199.91 = 12,746.51 : x
  2. Step 2: Convert to fraction form
    31,466.75/47,199.91 = 12,746.51/x
  3. Step 3: Cross multiply
    31,466.75x = 47,199.91 × 12,746.51
  4. Step 4: Simplify right side
    31,466.75x = 601,634,124.81
  5. Step 5: Solve for x
    x = 601,634,124.81/31,466.75
  6. Step 6: Final answer
    x = 19,119.68

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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.