Home / 40,445.48-60,629.88-14,133.12

Finding the Fourth Proportional to 40,445.48, 60,629.88 and 14,133.12

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Solution

The fourth proportional to 40,445.48, 60,629.88 and 14,133.12 is: 21,186.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,445.48 : 60,629.88 = 14,133.12 : x
  2. Step 2: Convert to fraction form
    40,445.48/60,629.88 = 14,133.12/x
  3. Step 3: Cross multiply
    40,445.48x = 60,629.88 × 14,133.12
  4. Step 4: Simplify right side
    40,445.48x = 856,889,369.63
  5. Step 5: Solve for x
    x = 856,889,369.63/40,445.48
  6. Step 6: Final answer
    x = 21,186.28

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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.