Home / 29,157.63-40,242.38-22,071.75

Finding the Fourth Proportional to 29,157.63, 40,242.38 and 22,071.75

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Solution

The fourth proportional to 29,157.63, 40,242.38 and 22,071.75 is: 30,462.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,157.63 : 40,242.38 = 22,071.75 : x
  2. Step 2: Convert to fraction form
    29,157.63/40,242.38 = 22,071.75/x
  3. Step 3: Cross multiply
    29,157.63x = 40,242.38 × 22,071.75
  4. Step 4: Simplify right side
    29,157.63x = 888,219,750.77
  5. Step 5: Solve for x
    x = 888,219,750.77/29,157.63
  6. Step 6: Final answer
    x = 30,462.69

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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.