Home / 30,124.44-41,590.77-19,374.30

Finding the Fourth Proportional to 30,124.44, 41,590.77 and 19,374.30

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Solution

The fourth proportional to 30,124.44, 41,590.77 and 19,374.30 is: 26,748.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,124.44 : 41,590.77 = 19,374.30 : x
  2. Step 2: Convert to fraction form
    30,124.44/41,590.77 = 19,374.30/x
  3. Step 3: Cross multiply
    30,124.44x = 41,590.77 × 19,374.30
  4. Step 4: Simplify right side
    30,124.44x = 805,792,055.21
  5. Step 5: Solve for x
    x = 805,792,055.21/30,124.44
  6. Step 6: Final answer
    x = 26,748.78

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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.