Home / 65,520.73-98,280.55-18,773.65

Finding the Fourth Proportional to 65,520.73, 98,280.55 and 18,773.65

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Solution

The fourth proportional to 65,520.73, 98,280.55 and 18,773.65 is: 28,160.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,520.73 : 98,280.55 = 18,773.65 : x
  2. Step 2: Convert to fraction form
    65,520.73/98,280.55 = 18,773.65/x
  3. Step 3: Cross multiply
    65,520.73x = 98,280.55 × 18,773.65
  4. Step 4: Simplify right side
    65,520.73x = 1,845,084,647.51
  5. Step 5: Solve for x
    x = 1,845,084,647.51/65,520.73
  6. Step 6: Final answer
    x = 28,160.32

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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.