Home / 40,208.77-55,483.32-22,299.40

Finding the Fourth Proportional to 40,208.77, 55,483.32 and 22,299.40

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Solution

The fourth proportional to 40,208.77, 55,483.32 and 22,299.40 is: 30,770.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,208.77 : 55,483.32 = 22,299.40 : x
  2. Step 2: Convert to fraction form
    40,208.77/55,483.32 = 22,299.40/x
  3. Step 3: Cross multiply
    40,208.77x = 55,483.32 × 22,299.40
  4. Step 4: Simplify right side
    40,208.77x = 1,237,244,746.01
  5. Step 5: Solve for x
    x = 1,237,244,746.01/40,208.77
  6. Step 6: Final answer
    x = 30,770.52

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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.