Home / 50,969.94-70,340.04-30,830.51

Finding the Fourth Proportional to 50,969.94, 70,340.04 and 30,830.51

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Solution

The fourth proportional to 50,969.94, 70,340.04 and 30,830.51 is: 42,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,969.94 : 70,340.04 = 30,830.51 : x
  2. Step 2: Convert to fraction form
    50,969.94/70,340.04 = 30,830.51/x
  3. Step 3: Cross multiply
    50,969.94x = 70,340.04 × 30,830.51
  4. Step 4: Simplify right side
    50,969.94x = 2,168,618,954.92
  5. Step 5: Solve for x
    x = 2,168,618,954.92/50,969.94
  6. Step 6: Final answer
    x = 42,547.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.