Home / 32,721.48-45,154.41-19,995.94

Finding the Fourth Proportional to 32,721.48, 45,154.41 and 19,995.94

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Solution

The fourth proportional to 32,721.48, 45,154.41 and 19,995.94 is: 27,593.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,721.48 : 45,154.41 = 19,995.94 : x
  2. Step 2: Convert to fraction form
    32,721.48/45,154.41 = 19,995.94/x
  3. Step 3: Cross multiply
    32,721.48x = 45,154.41 × 19,995.94
  4. Step 4: Simplify right side
    32,721.48x = 902,904,854.55
  5. Step 5: Solve for x
    x = 902,904,854.55/32,721.48
  6. Step 6: Final answer
    x = 27,593.64

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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.