Home / 38,605.38-53,276.42-22,690.68

Finding the Fourth Proportional to 38,605.38, 53,276.42 and 22,690.68

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Solution

The fourth proportional to 38,605.38, 53,276.42 and 22,690.68 is: 31,313.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,605.38 : 53,276.42 = 22,690.68 : x
  2. Step 2: Convert to fraction form
    38,605.38/53,276.42 = 22,690.68/x
  3. Step 3: Cross multiply
    38,605.38x = 53,276.42 × 22,690.68
  4. Step 4: Simplify right side
    38,605.38x = 1,208,878,084.31
  5. Step 5: Solve for x
    x = 1,208,878,084.31/38,605.38
  6. Step 6: Final answer
    x = 31,313.72

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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.