Home / 57,455.02-79,222.56-40,453.83

Finding the Fourth Proportional to 57,455.02, 79,222.56 and 40,453.83

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Solution

The fourth proportional to 57,455.02, 79,222.56 and 40,453.83 is: 55,780.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,455.02 : 79,222.56 = 40,453.83 : x
  2. Step 2: Convert to fraction form
    57,455.02/79,222.56 = 40,453.83/x
  3. Step 3: Cross multiply
    57,455.02x = 79,222.56 × 40,453.83
  4. Step 4: Simplify right side
    57,455.02x = 3,204,855,822.70
  5. Step 5: Solve for x
    x = 3,204,855,822.70/57,455.02
  6. Step 6: Final answer
    x = 55,780.26

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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.