Home / 45,879.08-68,772.14-31,089.49

Finding the Fourth Proportional to 45,879.08, 68,772.14 and 31,089.49

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Solution

The fourth proportional to 45,879.08, 68,772.14 and 31,089.49 is: 46,602.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,879.08 : 68,772.14 = 31,089.49 : x
  2. Step 2: Convert to fraction form
    45,879.08/68,772.14 = 31,089.49/x
  3. Step 3: Cross multiply
    45,879.08x = 68,772.14 × 31,089.49
  4. Step 4: Simplify right side
    45,879.08x = 2,138,090,548.02
  5. Step 5: Solve for x
    x = 2,138,090,548.02/45,879.08
  6. Step 6: Final answer
    x = 46,602.74

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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.