Home / 31,318.95-46,915.77-18,832.09

Finding the Fourth Proportional to 31,318.95, 46,915.77 and 18,832.09

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Solution

The fourth proportional to 31,318.95, 46,915.77 and 18,832.09 is: 28,210.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,318.95 : 46,915.77 = 18,832.09 : x
  2. Step 2: Convert to fraction form
    31,318.95/46,915.77 = 18,832.09/x
  3. Step 3: Cross multiply
    31,318.95x = 46,915.77 × 18,832.09
  4. Step 4: Simplify right side
    31,318.95x = 883,521,815.15
  5. Step 5: Solve for x
    x = 883,521,815.15/31,318.95
  6. Step 6: Final answer
    x = 28,210.46

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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.