Home / 30,742.84-46,120.74-9,964.72

Finding the Fourth Proportional to 30,742.84, 46,120.74 and 9,964.72

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Solution

The fourth proportional to 30,742.84, 46,120.74 and 9,964.72 is: 14,949.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,742.84 : 46,120.74 = 9,964.72 : x
  2. Step 2: Convert to fraction form
    30,742.84/46,120.74 = 9,964.72/x
  3. Step 3: Cross multiply
    30,742.84x = 46,120.74 × 9,964.72
  4. Step 4: Simplify right side
    30,742.84x = 459,580,260.29
  5. Step 5: Solve for x
    x = 459,580,260.29/30,742.84
  6. Step 6: Final answer
    x = 14,949.18

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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.