Home / 39,953.22-55,135.60-22,048.74

Finding the Fourth Proportional to 39,953.22, 55,135.60 and 22,048.74

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Solution

The fourth proportional to 39,953.22, 55,135.60 and 22,048.74 is: 30,427.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,953.22 : 55,135.60 = 22,048.74 : x
  2. Step 2: Convert to fraction form
    39,953.22/55,135.60 = 22,048.74/x
  3. Step 3: Cross multiply
    39,953.22x = 55,135.60 × 22,048.74
  4. Step 4: Simplify right side
    39,953.22x = 1,215,670,509.14
  5. Step 5: Solve for x
    x = 1,215,670,509.14/39,953.22
  6. Step 6: Final answer
    x = 30,427.35

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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.