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Finding the Fourth Proportional to 40,608.69, 56,037.69 and 22,458.35

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Solution

The fourth proportional to 40,608.69, 56,037.69 and 22,458.35 is: 30,991.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,608.69 : 56,037.69 = 22,458.35 : x
  2. Step 2: Convert to fraction form
    40,608.69/56,037.69 = 22,458.35/x
  3. Step 3: Cross multiply
    40,608.69x = 56,037.69 × 22,458.35
  4. Step 4: Simplify right side
    40,608.69x = 1,258,514,055.21
  5. Step 5: Solve for x
    x = 1,258,514,055.21/40,608.69
  6. Step 6: Final answer
    x = 30,991.25

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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.