Home / 57,029.22-78,697.12-31,534.10

Finding the Fourth Proportional to 57,029.22, 78,697.12 and 31,534.10

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Solution

The fourth proportional to 57,029.22, 78,697.12 and 31,534.10 is: 43,515.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,029.22 : 78,697.12 = 31,534.10 : x
  2. Step 2: Convert to fraction form
    57,029.22/78,697.12 = 31,534.10/x
  3. Step 3: Cross multiply
    57,029.22x = 78,697.12 × 31,534.10
  4. Step 4: Simplify right side
    57,029.22x = 2,481,642,851.79
  5. Step 5: Solve for x
    x = 2,481,642,851.79/57,029.22
  6. Step 6: Final answer
    x = 43,515.29

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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.