Home / 30,138.04-41,594.80-16,712.28

Finding the Fourth Proportional to 30,138.04, 41,594.80 and 16,712.28

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Solution

The fourth proportional to 30,138.04, 41,594.80 and 16,712.28 is: 23,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,138.04 : 41,594.80 = 16,712.28 : x
  2. Step 2: Convert to fraction form
    30,138.04/41,594.80 = 16,712.28/x
  3. Step 3: Cross multiply
    30,138.04x = 41,594.80 × 16,712.28
  4. Step 4: Simplify right side
    30,138.04x = 695,143,944.14
  5. Step 5: Solve for x
    x = 695,143,944.14/30,138.04
  6. Step 6: Final answer
    x = 23,065.33

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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.