Home / 30,877.73-46,306.20-12,152.85

Finding the Fourth Proportional to 30,877.73, 46,306.20 and 12,152.85

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Solution

The fourth proportional to 30,877.73, 46,306.20 and 12,152.85 is: 18,225.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,877.73 : 46,306.20 = 12,152.85 : x
  2. Step 2: Convert to fraction form
    30,877.73/46,306.20 = 12,152.85/x
  3. Step 3: Cross multiply
    30,877.73x = 46,306.20 × 12,152.85
  4. Step 4: Simplify right side
    30,877.73x = 562,752,302.67
  5. Step 5: Solve for x
    x = 562,752,302.67/30,877.73
  6. Step 6: Final answer
    x = 18,225.19

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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.