Home / 34,946.16-47,954.46-31,778.16

Finding the Fourth Proportional to 34,946.16, 47,954.46 and 31,778.16

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Solution

The fourth proportional to 34,946.16, 47,954.46 and 31,778.16 is: 43,607.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,946.16 : 47,954.46 = 31,778.16 : x
  2. Step 2: Convert to fraction form
    34,946.16/47,954.46 = 31,778.16/x
  3. Step 3: Cross multiply
    34,946.16x = 47,954.46 × 31,778.16
  4. Step 4: Simplify right side
    34,946.16x = 1,523,904,502.59
  5. Step 5: Solve for x
    x = 1,523,904,502.59/34,946.16
  6. Step 6: Final answer
    x = 43,607.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.