Home / 40,188.48-55,459.16-22,283.32

Finding the Fourth Proportional to 40,188.48, 55,459.16 and 22,283.32

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Solution

The fourth proportional to 40,188.48, 55,459.16 and 22,283.32 is: 30,750.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,188.48 : 55,459.16 = 22,283.32 : x
  2. Step 2: Convert to fraction form
    40,188.48/55,459.16 = 22,283.32/x
  3. Step 3: Cross multiply
    40,188.48x = 55,459.16 × 22,283.32
  4. Step 4: Simplify right side
    40,188.48x = 1,235,814,209.21
  5. Step 5: Solve for x
    x = 1,235,814,209.21/40,188.48
  6. Step 6: Final answer
    x = 30,750.46

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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.