Home / 39,560.51-54,593.57-21,656.66

Finding the Fourth Proportional to 39,560.51, 54,593.57 and 21,656.66

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Solution

The fourth proportional to 39,560.51, 54,593.57 and 21,656.66 is: 29,886.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,560.51 : 54,593.57 = 21,656.66 : x
  2. Step 2: Convert to fraction form
    39,560.51/54,593.57 = 21,656.66/x
  3. Step 3: Cross multiply
    39,560.51x = 54,593.57 × 21,656.66
  4. Step 4: Simplify right side
    39,560.51x = 1,182,314,002.43
  5. Step 5: Solve for x
    x = 1,182,314,002.43/39,560.51
  6. Step 6: Final answer
    x = 29,886.22

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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.