Home / 44,045.85-66,068.56-12,455.85

Finding the Fourth Proportional to 44,045.85, 66,068.56 and 12,455.85

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Solution

The fourth proportional to 44,045.85, 66,068.56 and 12,455.85 is: 18,683.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,045.85 : 66,068.56 = 12,455.85 : x
  2. Step 2: Convert to fraction form
    44,045.85/66,068.56 = 12,455.85/x
  3. Step 3: Cross multiply
    44,045.85x = 66,068.56 × 12,455.85
  4. Step 4: Simplify right side
    44,045.85x = 822,940,073.08
  5. Step 5: Solve for x
    x = 822,940,073.08/44,045.85
  6. Step 6: Final answer
    x = 18,683.71

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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.