Home / 35,283.47-48,669.05-20,933.15

Finding the Fourth Proportional to 35,283.47, 48,669.05 and 20,933.15

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Solution

The fourth proportional to 35,283.47, 48,669.05 and 20,933.15 is: 28,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,283.47 : 48,669.05 = 20,933.15 : x
  2. Step 2: Convert to fraction form
    35,283.47/48,669.05 = 20,933.15/x
  3. Step 3: Cross multiply
    35,283.47x = 48,669.05 × 20,933.15
  4. Step 4: Simplify right side
    35,283.47x = 1,018,796,176.00
  5. Step 5: Solve for x
    x = 1,018,796,176.00/35,283.47
  6. Step 6: Final answer
    x = 28,874.60

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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.