Home / 40,178.63-55,447.01-23,186.40

Finding the Fourth Proportional to 40,178.63, 55,447.01 and 23,186.40

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Solution

The fourth proportional to 40,178.63, 55,447.01 and 23,186.40 is: 31,997.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,178.63 : 55,447.01 = 23,186.40 : x
  2. Step 2: Convert to fraction form
    40,178.63/55,447.01 = 23,186.40/x
  3. Step 3: Cross multiply
    40,178.63x = 55,447.01 × 23,186.40
  4. Step 4: Simplify right side
    40,178.63x = 1,285,616,758.07
  5. Step 5: Solve for x
    x = 1,285,616,758.07/40,178.63
  6. Step 6: Final answer
    x = 31,997.52

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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.