Home / 31,114.60-46,653.12-12,397.53

Finding the Fourth Proportional to 31,114.60, 46,653.12 and 12,397.53

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Solution

The fourth proportional to 31,114.60, 46,653.12 and 12,397.53 is: 18,588.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,114.60 : 46,653.12 = 12,397.53 : x
  2. Step 2: Convert to fraction form
    31,114.60/46,653.12 = 12,397.53/x
  3. Step 3: Cross multiply
    31,114.60x = 46,653.12 × 12,397.53
  4. Step 4: Simplify right side
    31,114.60x = 578,383,454.79
  5. Step 5: Solve for x
    x = 578,383,454.79/31,114.60
  6. Step 6: Final answer
    x = 18,588.81

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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.