Home / 49,455.10-74,182.65-21,807.10

Finding the Fourth Proportional to 49,455.10, 74,182.65 and 21,807.10

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Solution

The fourth proportional to 49,455.10, 74,182.65 and 21,807.10 is: 32,710.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,455.10 : 74,182.65 = 21,807.10 : x
  2. Step 2: Convert to fraction form
    49,455.10/74,182.65 = 21,807.10/x
  3. Step 3: Cross multiply
    49,455.10x = 74,182.65 × 21,807.10
  4. Step 4: Simplify right side
    49,455.10x = 1,617,708,466.82
  5. Step 5: Solve for x
    x = 1,617,708,466.82/49,455.10
  6. Step 6: Final answer
    x = 32,710.65

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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.