Home / 34,758.60-47,973.51-20,619.24

Finding the Fourth Proportional to 34,758.60, 47,973.51 and 20,619.24

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Solution

The fourth proportional to 34,758.60, 47,973.51 and 20,619.24 is: 28,458.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,758.60 : 47,973.51 = 20,619.24 : x
  2. Step 2: Convert to fraction form
    34,758.60/47,973.51 = 20,619.24/x
  3. Step 3: Cross multiply
    34,758.60x = 47,973.51 × 20,619.24
  4. Step 4: Simplify right side
    34,758.60x = 989,177,316.33
  5. Step 5: Solve for x
    x = 989,177,316.33/34,758.60
  6. Step 6: Final answer
    x = 28,458.49

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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.