Home / 49,410.14-74,114.96-11,970.21

Finding the Fourth Proportional to 49,410.14, 74,114.96 and 11,970.21

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Solution

The fourth proportional to 49,410.14, 74,114.96 and 11,970.21 is: 17,955.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,410.14 : 74,114.96 = 11,970.21 : x
  2. Step 2: Convert to fraction form
    49,410.14/74,114.96 = 11,970.21/x
  3. Step 3: Cross multiply
    49,410.14x = 74,114.96 × 11,970.21
  4. Step 4: Simplify right side
    49,410.14x = 887,171,943.20
  5. Step 5: Solve for x
    x = 887,171,943.20/49,410.14
  6. Step 6: Final answer
    x = 17,955.26

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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.