Home / 49,643.10-74,464.65-21,576.60

Finding the Fourth Proportional to 49,643.10, 74,464.65 and 21,576.60

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Solution

The fourth proportional to 49,643.10, 74,464.65 and 21,576.60 is: 32,364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,643.10 : 74,464.65 = 21,576.60 : x
  2. Step 2: Convert to fraction form
    49,643.10/74,464.65 = 21,576.60/x
  3. Step 3: Cross multiply
    49,643.10x = 74,464.65 × 21,576.60
  4. Step 4: Simplify right side
    49,643.10x = 1,606,693,967.19
  5. Step 5: Solve for x
    x = 1,606,693,967.19/49,643.10
  6. Step 6: Final answer
    x = 32,364.90

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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.