Home / 30,885.18-46,336.41-12,153.66

Finding the Fourth Proportional to 30,885.18, 46,336.41 and 12,153.66

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Solution

The fourth proportional to 30,885.18, 46,336.41 and 12,153.66 is: 18,233.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885.18 : 46,336.41 = 12,153.66 : x
  2. Step 2: Convert to fraction form
    30,885.18/46,336.41 = 12,153.66/x
  3. Step 3: Cross multiply
    30,885.18x = 46,336.41 × 12,153.66
  4. Step 4: Simplify right side
    30,885.18x = 563,156,972.76
  5. Step 5: Solve for x
    x = 563,156,972.76/30,885.18
  6. Step 6: Final answer
    x = 18,233.89

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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.