Home / 39,553.12-54,582.93-21,403.45

Finding the Fourth Proportional to 39,553.12, 54,582.93 and 21,403.45

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Solution

The fourth proportional to 39,553.12, 54,582.93 and 21,403.45 is: 29,536.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,553.12 : 54,582.93 = 21,403.45 : x
  2. Step 2: Convert to fraction form
    39,553.12/54,582.93 = 21,403.45/x
  3. Step 3: Cross multiply
    39,553.12x = 54,582.93 × 21,403.45
  4. Step 4: Simplify right side
    39,553.12x = 1,168,263,013.11
  5. Step 5: Solve for x
    x = 1,168,263,013.11/39,553.12
  6. Step 6: Final answer
    x = 29,536.56

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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.