Home / 38,549.20-53,136.36-31,463.44

Finding the Fourth Proportional to 38,549.20, 53,136.36 and 31,463.44

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Solution

The fourth proportional to 38,549.20, 53,136.36 and 31,463.44 is: 43,369.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,549.20 : 53,136.36 = 31,463.44 : x
  2. Step 2: Convert to fraction form
    38,549.20/53,136.36 = 31,463.44/x
  3. Step 3: Cross multiply
    38,549.20x = 53,136.36 × 31,463.44
  4. Step 4: Simplify right side
    38,549.20x = 1,671,852,674.68
  5. Step 5: Solve for x
    x = 1,671,852,674.68/38,549.20
  6. Step 6: Final answer
    x = 43,369.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.