Home / 38,727.48-53,433.90-22,812.60

Finding the Fourth Proportional to 38,727.48, 53,433.90 and 22,812.60

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Solution

The fourth proportional to 38,727.48, 53,433.90 and 22,812.60 is: 31,475.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,727.48 : 53,433.90 = 22,812.60 : x
  2. Step 2: Convert to fraction form
    38,727.48/53,433.90 = 22,812.60/x
  3. Step 3: Cross multiply
    38,727.48x = 53,433.90 × 22,812.60
  4. Step 4: Simplify right side
    38,727.48x = 1,218,966,187.14
  5. Step 5: Solve for x
    x = 1,218,966,187.14/38,727.48
  6. Step 6: Final answer
    x = 31,475.48

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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.