Home / 57,115.02-78,809.34-35,879.25

Finding the Fourth Proportional to 57,115.02, 78,809.34 and 35,879.25

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Solution

The fourth proportional to 57,115.02, 78,809.34 and 35,879.25 is: 49,507.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,115.02 : 78,809.34 = 35,879.25 : x
  2. Step 2: Convert to fraction form
    57,115.02/78,809.34 = 35,879.25/x
  3. Step 3: Cross multiply
    57,115.02x = 78,809.34 × 35,879.25
  4. Step 4: Simplify right side
    57,115.02x = 2,827,620,012.20
  5. Step 5: Solve for x
    x = 2,827,620,012.20/57,115.02
  6. Step 6: Final answer
    x = 49,507.47

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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.