Home / 40,188.63-55,459.29-22,283.58

Finding the Fourth Proportional to 40,188.63, 55,459.29 and 22,283.58

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Solution

The fourth proportional to 40,188.63, 55,459.29 and 22,283.58 is: 30,750.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,188.63 : 55,459.29 = 22,283.58 : x
  2. Step 2: Convert to fraction form
    40,188.63/55,459.29 = 22,283.58/x
  3. Step 3: Cross multiply
    40,188.63x = 55,459.29 × 22,283.58
  4. Step 4: Simplify right side
    40,188.63x = 1,235,831,525.46
  5. Step 5: Solve for x
    x = 1,235,831,525.46/40,188.63
  6. Step 6: Final answer
    x = 30,750.78

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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.