Home / 31,045.15-46,550.71-12,306.21

Finding the Fourth Proportional to 31,045.15, 46,550.71 and 12,306.21

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Solution

The fourth proportional to 31,045.15, 46,550.71 and 12,306.21 is: 18,452.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,045.15 : 46,550.71 = 12,306.21 : x
  2. Step 2: Convert to fraction form
    31,045.15/46,550.71 = 12,306.21/x
  3. Step 3: Cross multiply
    31,045.15x = 46,550.71 × 12,306.21
  4. Step 4: Simplify right side
    31,045.15x = 572,862,812.91
  5. Step 5: Solve for x
    x = 572,862,812.91/31,045.15
  6. Step 6: Final answer
    x = 18,452.57

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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.