Home / 50,755.08-70,068.54-31,640.68

Finding the Fourth Proportional to 50,755.08, 70,068.54 and 31,640.68

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Solution

The fourth proportional to 50,755.08, 70,068.54 and 31,640.68 is: 43,680.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,755.08 : 70,068.54 = 31,640.68 : x
  2. Step 2: Convert to fraction form
    50,755.08/70,068.54 = 31,640.68/x
  3. Step 3: Cross multiply
    50,755.08x = 70,068.54 × 31,640.68
  4. Step 4: Simplify right side
    50,755.08x = 2,217,016,252.21
  5. Step 5: Solve for x
    x = 2,217,016,252.21/50,755.08
  6. Step 6: Final answer
    x = 43,680.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.