Home / 57,022.02-78,688.08-33,146.82

Finding the Fourth Proportional to 57,022.02, 78,688.08 and 33,146.82

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Solution

The fourth proportional to 57,022.02, 78,688.08 and 33,146.82 is: 45,741.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,022.02 : 78,688.08 = 33,146.82 : x
  2. Step 2: Convert to fraction form
    57,022.02/78,688.08 = 33,146.82/x
  3. Step 3: Cross multiply
    57,022.02x = 78,688.08 × 33,146.82
  4. Step 4: Simplify right side
    57,022.02x = 2,608,259,623.91
  5. Step 5: Solve for x
    x = 2,608,259,623.91/57,022.02
  6. Step 6: Final answer
    x = 45,741.27

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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.