Home / 30,810.12-46,215.18-7,436.56

Finding the Fourth Proportional to 30,810.12, 46,215.18 and 7,436.56

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Solution

The fourth proportional to 30,810.12, 46,215.18 and 7,436.56 is: 11,154.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,810.12 : 46,215.18 = 7,436.56 : x
  2. Step 2: Convert to fraction form
    30,810.12/46,215.18 = 7,436.56/x
  3. Step 3: Cross multiply
    30,810.12x = 46,215.18 × 7,436.56
  4. Step 4: Simplify right side
    30,810.12x = 343,681,958.98
  5. Step 5: Solve for x
    x = 343,681,958.98/30,810.12
  6. Step 6: Final answer
    x = 11,154.84

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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.