Home / 35,943.04-49,601.76-20,028.40

Finding the Fourth Proportional to 35,943.04, 49,601.76 and 20,028.40

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Solution

The fourth proportional to 35,943.04, 49,601.76 and 20,028.40 is: 27,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,943.04 : 49,601.76 = 20,028.40 : x
  2. Step 2: Convert to fraction form
    35,943.04/49,601.76 = 20,028.40/x
  3. Step 3: Cross multiply
    35,943.04x = 49,601.76 × 20,028.40
  4. Step 4: Simplify right side
    35,943.04x = 993,443,889.98
  5. Step 5: Solve for x
    x = 993,443,889.98/35,943.04
  6. Step 6: Final answer
    x = 27,639.40

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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.