Home / 40,325.71-55,650.77-22,421.47

Finding the Fourth Proportional to 40,325.71, 55,650.77 and 22,421.47

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Solution

The fourth proportional to 40,325.71, 55,650.77 and 22,421.47 is: 30,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,325.71 : 55,650.77 = 22,421.47 : x
  2. Step 2: Convert to fraction form
    40,325.71/55,650.77 = 22,421.47/x
  3. Step 3: Cross multiply
    40,325.71x = 55,650.77 × 22,421.47
  4. Step 4: Simplify right side
    40,325.71x = 1,247,772,070.03
  5. Step 5: Solve for x
    x = 1,247,772,070.03/40,325.71
  6. Step 6: Final answer
    x = 30,942.35

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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.