Home / 35,684.40-49,242.12-19,770.32

Finding the Fourth Proportional to 35,684.40, 49,242.12 and 19,770.32

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Solution

The fourth proportional to 35,684.40, 49,242.12 and 19,770.32 is: 27,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,684.40 : 49,242.12 = 19,770.32 : x
  2. Step 2: Convert to fraction form
    35,684.40/49,242.12 = 19,770.32/x
  3. Step 3: Cross multiply
    35,684.40x = 49,242.12 × 19,770.32
  4. Step 4: Simplify right side
    35,684.40x = 973,532,469.88
  5. Step 5: Solve for x
    x = 973,532,469.88/35,684.40
  6. Step 6: Final answer
    x = 27,281.74

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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.