Home / 40,030.64-55,239.36-22,124.64

Finding the Fourth Proportional to 40,030.64, 55,239.36 and 22,124.64

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Solution

The fourth proportional to 40,030.64, 55,239.36 and 22,124.64 is: 30,530.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,030.64 : 55,239.36 = 22,124.64 : x
  2. Step 2: Convert to fraction form
    40,030.64/55,239.36 = 22,124.64/x
  3. Step 3: Cross multiply
    40,030.64x = 55,239.36 × 22,124.64
  4. Step 4: Simplify right side
    40,030.64x = 1,222,150,953.83
  5. Step 5: Solve for x
    x = 1,222,150,953.83/40,030.64
  6. Step 6: Final answer
    x = 30,530.39

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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.