Home / 30,304.48-41,820.21-16,878.32

Finding the Fourth Proportional to 30,304.48, 41,820.21 and 16,878.32

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Solution

The fourth proportional to 30,304.48, 41,820.21 and 16,878.32 is: 23,292.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,304.48 : 41,820.21 = 16,878.32 : x
  2. Step 2: Convert to fraction form
    30,304.48/41,820.21 = 16,878.32/x
  3. Step 3: Cross multiply
    30,304.48x = 41,820.21 × 16,878.32
  4. Step 4: Simplify right side
    30,304.48x = 705,854,886.85
  5. Step 5: Solve for x
    x = 705,854,886.85/30,304.48
  6. Step 6: Final answer
    x = 23,292.10

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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.