Home / 38,821.38-53,561.16-22,681.32

Finding the Fourth Proportional to 38,821.38, 53,561.16 and 22,681.32

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Solution

The fourth proportional to 38,821.38, 53,561.16 and 22,681.32 is: 31,293.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,821.38 : 53,561.16 = 22,681.32 : x
  2. Step 2: Convert to fraction form
    38,821.38/53,561.16 = 22,681.32/x
  3. Step 3: Cross multiply
    38,821.38x = 53,561.16 × 22,681.32
  4. Step 4: Simplify right side
    38,821.38x = 1,214,837,809.53
  5. Step 5: Solve for x
    x = 1,214,837,809.53/38,821.38
  6. Step 6: Final answer
    x = 31,293.01

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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.