Home / 31,047.10-46,581.88-19,186.98

Finding the Fourth Proportional to 31,047.10, 46,581.88 and 19,186.98

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Solution

The fourth proportional to 31,047.10, 46,581.88 and 19,186.98 is: 28,787.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,047.10 : 46,581.88 = 19,186.98 : x
  2. Step 2: Convert to fraction form
    31,047.10/46,581.88 = 19,186.98/x
  3. Step 3: Cross multiply
    31,047.10x = 46,581.88 × 19,186.98
  4. Step 4: Simplify right side
    31,047.10x = 893,765,599.92
  5. Step 5: Solve for x
    x = 893,765,599.92/31,047.10
  6. Step 6: Final answer
    x = 28,787.41

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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.