Home / 40,686.63-56,148.57-22,536.96

Finding the Fourth Proportional to 40,686.63, 56,148.57 and 22,536.96

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Solution

The fourth proportional to 40,686.63, 56,148.57 and 22,536.96 is: 31,101.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,686.63 : 56,148.57 = 22,536.96 : x
  2. Step 2: Convert to fraction form
    40,686.63/56,148.57 = 22,536.96/x
  3. Step 3: Cross multiply
    40,686.63x = 56,148.57 × 22,536.96
  4. Step 4: Simplify right side
    40,686.63x = 1,265,418,076.15
  5. Step 5: Solve for x
    x = 1,265,418,076.15/40,686.63
  6. Step 6: Final answer
    x = 31,101.57

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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.