Home / 30,815.49-46,230.16-9,756.79

Finding the Fourth Proportional to 30,815.49, 46,230.16 and 9,756.79

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Solution

The fourth proportional to 30,815.49, 46,230.16 and 9,756.79 is: 14,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,815.49 : 46,230.16 = 9,756.79 : x
  2. Step 2: Convert to fraction form
    30,815.49/46,230.16 = 9,756.79/x
  3. Step 3: Cross multiply
    30,815.49x = 46,230.16 × 9,756.79
  4. Step 4: Simplify right side
    30,815.49x = 451,057,841.11
  5. Step 5: Solve for x
    x = 451,057,841.11/30,815.49
  6. Step 6: Final answer
    x = 14,637.37

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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.