Home / 49,437.42-74,165.49-19,857.57

Finding the Fourth Proportional to 49,437.42, 74,165.49 and 19,857.57

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Solution

The fourth proportional to 49,437.42, 74,165.49 and 19,857.57 is: 29,790.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,437.42 : 74,165.49 = 19,857.57 : x
  2. Step 2: Convert to fraction form
    49,437.42/74,165.49 = 19,857.57/x
  3. Step 3: Cross multiply
    49,437.42x = 74,165.49 × 19,857.57
  4. Step 4: Simplify right side
    49,437.42x = 1,472,746,409.26
  5. Step 5: Solve for x
    x = 1,472,746,409.26/49,437.42
  6. Step 6: Final answer
    x = 29,790.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.