Home / 50,491.36-69,681.12-27,830.32

Finding the Fourth Proportional to 50,491.36, 69,681.12 and 27,830.32

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Solution

The fourth proportional to 50,491.36, 69,681.12 and 27,830.32 is: 38,407.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,491.36 : 69,681.12 = 27,830.32 : x
  2. Step 2: Convert to fraction form
    50,491.36/69,681.12 = 27,830.32/x
  3. Step 3: Cross multiply
    50,491.36x = 69,681.12 × 27,830.32
  4. Step 4: Simplify right side
    50,491.36x = 1,939,247,867.56
  5. Step 5: Solve for x
    x = 1,939,247,867.56/50,491.36
  6. Step 6: Final answer
    x = 38,407.52

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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.