Home / 35,583.74-49,107.46-20,478.70

Finding the Fourth Proportional to 35,583.74, 49,107.46 and 20,478.70

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Solution

The fourth proportional to 35,583.74, 49,107.46 and 20,478.70 is: 28,261.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,583.74 : 49,107.46 = 20,478.70 : x
  2. Step 2: Convert to fraction form
    35,583.74/49,107.46 = 20,478.70/x
  3. Step 3: Cross multiply
    35,583.74x = 49,107.46 × 20,478.70
  4. Step 4: Simplify right side
    35,583.74x = 1,005,656,941.10
  5. Step 5: Solve for x
    x = 1,005,656,941.10/35,583.74
  6. Step 6: Final answer
    x = 28,261.70

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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.