Home / 31,741.36-47,618.06-12,767.45

Finding the Fourth Proportional to 31,741.36, 47,618.06 and 12,767.45

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Solution

The fourth proportional to 31,741.36, 47,618.06 and 12,767.45 is: 19,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,741.36 : 47,618.06 = 12,767.45 : x
  2. Step 2: Convert to fraction form
    31,741.36/47,618.06 = 12,767.45/x
  3. Step 3: Cross multiply
    31,741.36x = 47,618.06 × 12,767.45
  4. Step 4: Simplify right side
    31,741.36x = 607,960,898.22
  5. Step 5: Solve for x
    x = 607,960,898.22/31,741.36
  6. Step 6: Final answer
    x = 19,153.59

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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.