Home / 31,145.22-46,723.98-11,423.95

Finding the Fourth Proportional to 31,145.22, 46,723.98 and 11,423.95

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Solution

The fourth proportional to 31,145.22, 46,723.98 and 11,423.95 is: 17,138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,145.22 : 46,723.98 = 11,423.95 : x
  2. Step 2: Convert to fraction form
    31,145.22/46,723.98 = 11,423.95/x
  3. Step 3: Cross multiply
    31,145.22x = 46,723.98 × 11,423.95
  4. Step 4: Simplify right side
    31,145.22x = 533,772,337.35
  5. Step 5: Solve for x
    x = 533,772,337.35/31,145.22
  6. Step 6: Final answer
    x = 17,138.18

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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.