Home / 31,158.16-46,750.20-18,702.16

Finding the Fourth Proportional to 31,158.16, 46,750.20 and 18,702.16

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Solution

The fourth proportional to 31,158.16, 46,750.20 and 18,702.16 is: 28,061.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,158.16 : 46,750.20 = 18,702.16 : x
  2. Step 2: Convert to fraction form
    31,158.16/46,750.20 = 18,702.16/x
  3. Step 3: Cross multiply
    31,158.16x = 46,750.20 × 18,702.16
  4. Step 4: Simplify right side
    31,158.16x = 874,329,720.43
  5. Step 5: Solve for x
    x = 874,329,720.43/31,158.16
  6. Step 6: Final answer
    x = 28,061.02

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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.