Home / 30,875.97-46,376.01-18,420.33

Finding the Fourth Proportional to 30,875.97, 46,376.01 and 18,420.33

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Solution

The fourth proportional to 30,875.97, 46,376.01 and 18,420.33 is: 27,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,875.97 : 46,376.01 = 18,420.33 : x
  2. Step 2: Convert to fraction form
    30,875.97/46,376.01 = 18,420.33/x
  3. Step 3: Cross multiply
    30,875.97x = 46,376.01 × 18,420.33
  4. Step 4: Simplify right side
    30,875.97x = 854,261,408.28
  5. Step 5: Solve for x
    x = 854,261,408.28/30,875.97
  6. Step 6: Final answer
    x = 27,667.52

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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.