Home / 50,964.16-70,331.36-28,607.68

Finding the Fourth Proportional to 50,964.16, 70,331.36 and 28,607.68

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Solution

The fourth proportional to 50,964.16, 70,331.36 and 28,607.68 is: 39,479.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,964.16 : 70,331.36 = 28,607.68 : x
  2. Step 2: Convert to fraction form
    50,964.16/70,331.36 = 28,607.68/x
  3. Step 3: Cross multiply
    50,964.16x = 70,331.36 × 28,607.68
  4. Step 4: Simplify right side
    50,964.16x = 2,012,017,040.84
  5. Step 5: Solve for x
    x = 2,012,017,040.84/50,964.16
  6. Step 6: Final answer
    x = 39,479.06

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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.