Home / 35,424.80-48,884.64-20,306.62

Finding the Fourth Proportional to 35,424.80, 48,884.64 and 20,306.62

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Solution

The fourth proportional to 35,424.80, 48,884.64 and 20,306.62 is: 28,022.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,424.80 : 48,884.64 = 20,306.62 : x
  2. Step 2: Convert to fraction form
    35,424.80/48,884.64 = 20,306.62/x
  3. Step 3: Cross multiply
    35,424.80x = 48,884.64 × 20,306.62
  4. Step 4: Simplify right side
    35,424.80x = 992,681,808.32
  5. Step 5: Solve for x
    x = 992,681,808.32/35,424.80
  6. Step 6: Final answer
    x = 28,022.23

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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.