Home / 31,316.10-46,979.01-10,537.98

Finding the Fourth Proportional to 31,316.10, 46,979.01 and 10,537.98

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Solution

The fourth proportional to 31,316.10, 46,979.01 and 10,537.98 is: 15,808.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,316.10 : 46,979.01 = 10,537.98 : x
  2. Step 2: Convert to fraction form
    31,316.10/46,979.01 = 10,537.98/x
  3. Step 3: Cross multiply
    31,316.10x = 46,979.01 × 10,537.98
  4. Step 4: Simplify right side
    31,316.10x = 495,063,867.80
  5. Step 5: Solve for x
    x = 495,063,867.80/31,316.10
  6. Step 6: Final answer
    x = 15,808.61

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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.