Home / 40,185.90-55,445.29-23,415.66

Finding the Fourth Proportional to 40,185.90, 55,445.29 and 23,415.66

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Solution

The fourth proportional to 40,185.90, 55,445.29 and 23,415.66 is: 32,307.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,185.90 : 55,445.29 = 23,415.66 : x
  2. Step 2: Convert to fraction form
    40,185.90/55,445.29 = 23,415.66/x
  3. Step 3: Cross multiply
    40,185.90x = 55,445.29 × 23,415.66
  4. Step 4: Simplify right side
    40,185.90x = 1,298,288,059.24
  5. Step 5: Solve for x
    x = 1,298,288,059.24/40,185.90
  6. Step 6: Final answer
    x = 32,307.05

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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.