Home / 31,243.78-46,872.60-9,058.06

Finding the Fourth Proportional to 31,243.78, 46,872.60 and 9,058.06

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Solution

The fourth proportional to 31,243.78, 46,872.60 and 9,058.06 is: 13,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,243.78 : 46,872.60 = 9,058.06 : x
  2. Step 2: Convert to fraction form
    31,243.78/46,872.60 = 9,058.06/x
  3. Step 3: Cross multiply
    31,243.78x = 46,872.60 × 9,058.06
  4. Step 4: Simplify right side
    31,243.78x = 424,574,823.16
  5. Step 5: Solve for x
    x = 424,574,823.16/31,243.78
  6. Step 6: Final answer
    x = 13,589.10

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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.