Home / 43,407.36-65,114.28-18,444.60

Finding the Fourth Proportional to 43,407.36, 65,114.28 and 18,444.60

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Solution

The fourth proportional to 43,407.36, 65,114.28 and 18,444.60 is: 27,668.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,407.36 : 65,114.28 = 18,444.60 : x
  2. Step 2: Convert to fraction form
    43,407.36/65,114.28 = 18,444.60/x
  3. Step 3: Cross multiply
    43,407.36x = 65,114.28 × 18,444.60
  4. Step 4: Simplify right side
    43,407.36x = 1,201,006,848.89
  5. Step 5: Solve for x
    x = 1,201,006,848.89/43,407.36
  6. Step 6: Final answer
    x = 27,668.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.