Home / 30,074.16-41,521.20-19,323.39

Finding the Fourth Proportional to 30,074.16, 41,521.20 and 19,323.39

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Solution

The fourth proportional to 30,074.16, 41,521.20 and 19,323.39 is: 26,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,074.16 : 41,521.20 = 19,323.39 : x
  2. Step 2: Convert to fraction form
    30,074.16/41,521.20 = 19,323.39/x
  3. Step 3: Cross multiply
    30,074.16x = 41,521.20 × 19,323.39
  4. Step 4: Simplify right side
    30,074.16x = 802,330,340.87
  5. Step 5: Solve for x
    x = 802,330,340.87/30,074.16
  6. Step 6: Final answer
    x = 26,678.40

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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.