Home / 50,871.24-70,201.96-28,210.21

Finding the Fourth Proportional to 50,871.24, 70,201.96 and 28,210.21

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Solution

The fourth proportional to 50,871.24, 70,201.96 and 28,210.21 is: 38,929.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,871.24 : 70,201.96 = 28,210.21 : x
  2. Step 2: Convert to fraction form
    50,871.24/70,201.96 = 28,210.21/x
  3. Step 3: Cross multiply
    50,871.24x = 70,201.96 × 28,210.21
  4. Step 4: Simplify right side
    50,871.24x = 1,980,411,787.98
  5. Step 5: Solve for x
    x = 1,980,411,787.98/50,871.24
  6. Step 6: Final answer
    x = 38,929.89

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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.