Home / 49,828.10-74,762.06-20,248.25

Finding the Fourth Proportional to 49,828.10, 74,762.06 and 20,248.25

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Solution

The fourth proportional to 49,828.10, 74,762.06 and 20,248.25 is: 30,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,828.10 : 74,762.06 = 20,248.25 : x
  2. Step 2: Convert to fraction form
    49,828.10/74,762.06 = 20,248.25/x
  3. Step 3: Cross multiply
    49,828.10x = 74,762.06 × 20,248.25
  4. Step 4: Simplify right side
    49,828.10x = 1,513,800,406.34
  5. Step 5: Solve for x
    x = 1,513,800,406.34/49,828.10
  6. Step 6: Final answer
    x = 30,380.46

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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.