Home / 30,068.35-41,503.32-19,458.70

Finding the Fourth Proportional to 30,068.35, 41,503.32 and 19,458.70

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Solution

The fourth proportional to 30,068.35, 41,503.32 and 19,458.70 is: 26,858.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,068.35 : 41,503.32 = 19,458.70 : x
  2. Step 2: Convert to fraction form
    30,068.35/41,503.32 = 19,458.70/x
  3. Step 3: Cross multiply
    30,068.35x = 41,503.32 × 19,458.70
  4. Step 4: Simplify right side
    30,068.35x = 807,600,549.13
  5. Step 5: Solve for x
    x = 807,600,549.13/30,068.35
  6. Step 6: Final answer
    x = 26,858.83

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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.