Home / 30,918.96-46,452.48-19,847.28

Finding the Fourth Proportional to 30,918.96, 46,452.48 and 19,847.28

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Solution

The fourth proportional to 30,918.96, 46,452.48 and 19,847.28 is: 29,818.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,918.96 : 46,452.48 = 19,847.28 : x
  2. Step 2: Convert to fraction form
    30,918.96/46,452.48 = 19,847.28/x
  3. Step 3: Cross multiply
    30,918.96x = 46,452.48 × 19,847.28
  4. Step 4: Simplify right side
    30,918.96x = 921,955,377.25
  5. Step 5: Solve for x
    x = 921,955,377.25/30,918.96
  6. Step 6: Final answer
    x = 29,818.45

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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.