Home / 57,343.18-79,130.82-31,851.16

Finding the Fourth Proportional to 57,343.18, 79,130.82 and 31,851.16

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Solution

The fourth proportional to 57,343.18, 79,130.82 and 31,851.16 is: 43,953.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,343.18 : 79,130.82 = 31,851.16 : x
  2. Step 2: Convert to fraction form
    57,343.18/79,130.82 = 31,851.16/x
  3. Step 3: Cross multiply
    57,343.18x = 79,130.82 × 31,851.16
  4. Step 4: Simplify right side
    57,343.18x = 2,520,408,408.75
  5. Step 5: Solve for x
    x = 2,520,408,408.75/57,343.18
  6. Step 6: Final answer
    x = 43,953.06

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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.