Home / 38,899.51-53,681.54-22,132.51

Finding the Fourth Proportional to 38,899.51, 53,681.54 and 22,132.51

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Solution

The fourth proportional to 38,899.51, 53,681.54 and 22,132.51 is: 30,542.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,899.51 : 53,681.54 = 22,132.51 : x
  2. Step 2: Convert to fraction form
    38,899.51/53,681.54 = 22,132.51/x
  3. Step 3: Cross multiply
    38,899.51x = 53,681.54 × 22,132.51
  4. Step 4: Simplify right side
    38,899.51x = 1,188,107,276.20
  5. Step 5: Solve for x
    x = 1,188,107,276.20/38,899.51
  6. Step 6: Final answer
    x = 30,542.99

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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.