Home / 42,757.02-64,136.44-14,676.84

Finding the Fourth Proportional to 42,757.02, 64,136.44 and 14,676.84

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Solution

The fourth proportional to 42,757.02, 64,136.44 and 14,676.84 is: 22,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,757.02 : 64,136.44 = 14,676.84 : x
  2. Step 2: Convert to fraction form
    42,757.02/64,136.44 = 14,676.84/x
  3. Step 3: Cross multiply
    42,757.02x = 64,136.44 × 14,676.84
  4. Step 4: Simplify right side
    42,757.02x = 941,320,268.05
  5. Step 5: Solve for x
    x = 941,320,268.05/42,757.02
  6. Step 6: Final answer
    x = 22,015.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.