Home / 57,362.22-79,157.10-31,870.20

Finding the Fourth Proportional to 57,362.22, 79,157.10 and 31,870.20

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Solution

The fourth proportional to 57,362.22, 79,157.10 and 31,870.20 is: 43,979.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,362.22 : 79,157.10 = 31,870.20 : x
  2. Step 2: Convert to fraction form
    57,362.22/79,157.10 = 31,870.20/x
  3. Step 3: Cross multiply
    57,362.22x = 79,157.10 × 31,870.20
  4. Step 4: Simplify right side
    57,362.22x = 2,522,752,608.42
  5. Step 5: Solve for x
    x = 2,522,752,608.42/57,362.22
  6. Step 6: Final answer
    x = 43,979.34

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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.