Home / 46,286.34-69,377.01-21,274.70

Finding the Fourth Proportional to 46,286.34, 69,377.01 and 21,274.70

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Solution

The fourth proportional to 46,286.34, 69,377.01 and 21,274.70 is: 31,887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,286.34 : 69,377.01 = 21,274.70 : x
  2. Step 2: Convert to fraction form
    46,286.34/69,377.01 = 21,274.70/x
  3. Step 3: Cross multiply
    46,286.34x = 69,377.01 × 21,274.70
  4. Step 4: Simplify right side
    46,286.34x = 1,475,975,038.23
  5. Step 5: Solve for x
    x = 1,475,975,038.23/46,286.34
  6. Step 6: Final answer
    x = 31,887.92

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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.