Home / 40,150.98-55,416.08-23,166.20

Finding the Fourth Proportional to 40,150.98, 55,416.08 and 23,166.20

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Solution

The fourth proportional to 40,150.98, 55,416.08 and 23,166.20 is: 31,973.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,150.98 : 55,416.08 = 23,166.20 : x
  2. Step 2: Convert to fraction form
    40,150.98/55,416.08 = 23,166.20/x
  3. Step 3: Cross multiply
    40,150.98x = 55,416.08 × 23,166.20
  4. Step 4: Simplify right side
    40,150.98x = 1,283,780,188.95
  5. Step 5: Solve for x
    x = 1,283,780,188.95/40,150.98
  6. Step 6: Final answer
    x = 31,973.82

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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.