Home / 35,345.69-48,777.15-20,238.58

Finding the Fourth Proportional to 35,345.69, 48,777.15 and 20,238.58

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Solution

The fourth proportional to 35,345.69, 48,777.15 and 20,238.58 is: 27,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,345.69 : 48,777.15 = 20,238.58 : x
  2. Step 2: Convert to fraction form
    35,345.69/48,777.15 = 20,238.58/x
  3. Step 3: Cross multiply
    35,345.69x = 48,777.15 × 20,238.58
  4. Step 4: Simplify right side
    35,345.69x = 987,180,252.45
  5. Step 5: Solve for x
    x = 987,180,252.45/35,345.69
  6. Step 6: Final answer
    x = 27,929.30

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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.