Home / 35,965.65-49,631.62-20,857.35

Finding the Fourth Proportional to 35,965.65, 49,631.62 and 20,857.35

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Solution

The fourth proportional to 35,965.65, 49,631.62 and 20,857.35 is: 28,782.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,965.65 : 49,631.62 = 20,857.35 : x
  2. Step 2: Convert to fraction form
    35,965.65/49,631.62 = 20,857.35/x
  3. Step 3: Cross multiply
    35,965.65x = 49,631.62 × 20,857.35
  4. Step 4: Simplify right side
    35,965.65x = 1,035,183,963.31
  5. Step 5: Solve for x
    x = 1,035,183,963.31/35,965.65
  6. Step 6: Final answer
    x = 28,782.57

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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.