Home / 34,486.64-47,590.08-20,336.48

Finding the Fourth Proportional to 34,486.64, 47,590.08 and 20,336.48

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Solution

The fourth proportional to 34,486.64, 47,590.08 and 20,336.48 is: 28,063.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,486.64 : 47,590.08 = 20,336.48 : x
  2. Step 2: Convert to fraction form
    34,486.64/47,590.08 = 20,336.48/x
  3. Step 3: Cross multiply
    34,486.64x = 47,590.08 × 20,336.48
  4. Step 4: Simplify right side
    34,486.64x = 967,814,710.12
  5. Step 5: Solve for x
    x = 967,814,710.12/34,486.64
  6. Step 6: Final answer
    x = 28,063.47

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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.