Home / 40,985.88-56,191.86-40,238.66

Finding the Fourth Proportional to 40,985.88, 56,191.86 and 40,238.66

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Solution

The fourth proportional to 40,985.88, 56,191.86 and 40,238.66 is: 55,167.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,985.88 : 56,191.86 = 40,238.66 : x
  2. Step 2: Convert to fraction form
    40,985.88/56,191.86 = 40,238.66/x
  3. Step 3: Cross multiply
    40,985.88x = 56,191.86 × 40,238.66
  4. Step 4: Simplify right side
    40,985.88x = 2,261,084,667.16
  5. Step 5: Solve for x
    x = 2,261,084,667.16/40,985.88
  6. Step 6: Final answer
    x = 55,167.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.