Home / 30,900.34-46,235.69-18,427.15

Finding the Fourth Proportional to 30,900.34, 46,235.69 and 18,427.15

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Solution

The fourth proportional to 30,900.34, 46,235.69 and 18,427.15 is: 27,572.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,900.34 : 46,235.69 = 18,427.15 : x
  2. Step 2: Convert to fraction form
    30,900.34/46,235.69 = 18,427.15/x
  3. Step 3: Cross multiply
    30,900.34x = 46,235.69 × 18,427.15
  4. Step 4: Simplify right side
    30,900.34x = 851,991,994.98
  5. Step 5: Solve for x
    x = 851,991,994.98/30,900.34
  6. Step 6: Final answer
    x = 27,572.25

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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.