Home / 57,343.32-79,131.09-31,851.34

Finding the Fourth Proportional to 57,343.32, 79,131.09 and 31,851.34

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Solution

The fourth proportional to 57,343.32, 79,131.09 and 31,851.34 is: 43,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,343.32 : 79,131.09 = 31,851.34 : x
  2. Step 2: Convert to fraction form
    57,343.32/79,131.09 = 31,851.34/x
  3. Step 3: Cross multiply
    57,343.32x = 79,131.09 × 31,851.34
  4. Step 4: Simplify right side
    57,343.32x = 2,520,431,252.16
  5. Step 5: Solve for x
    x = 2,520,431,252.16/57,343.32
  6. Step 6: Final answer
    x = 43,953.35

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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.