Home / 31,175.53-46,777.88-18,038.95

Finding the Fourth Proportional to 31,175.53, 46,777.88 and 18,038.95

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Solution

The fourth proportional to 31,175.53, 46,777.88 and 18,038.95 is: 27,066.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,175.53 : 46,777.88 = 18,038.95 : x
  2. Step 2: Convert to fraction form
    31,175.53/46,777.88 = 18,038.95/x
  3. Step 3: Cross multiply
    31,175.53x = 46,777.88 × 18,038.95
  4. Step 4: Simplify right side
    31,175.53x = 843,823,838.43
  5. Step 5: Solve for x
    x = 843,823,838.43/31,175.53
  6. Step 6: Final answer
    x = 27,066.86

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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.