Home / 30,964.39-46,429.49-9,898.57

Finding the Fourth Proportional to 30,964.39, 46,429.49 and 9,898.57

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Solution

The fourth proportional to 30,964.39, 46,429.49 and 9,898.57 is: 14,842.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,964.39 : 46,429.49 = 9,898.57 : x
  2. Step 2: Convert to fraction form
    30,964.39/46,429.49 = 9,898.57/x
  3. Step 3: Cross multiply
    30,964.39x = 46,429.49 × 9,898.57
  4. Step 4: Simplify right side
    30,964.39x = 459,585,639.61
  5. Step 5: Solve for x
    x = 459,585,639.61/30,964.39
  6. Step 6: Final answer
    x = 14,842.39

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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.