Home / 48,303.24-66,644.84-31,308.20

Finding the Fourth Proportional to 48,303.24, 66,644.84 and 31,308.20

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Solution

The fourth proportional to 48,303.24, 66,644.84 and 31,308.20 is: 43,196.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,303.24 : 66,644.84 = 31,308.20 : x
  2. Step 2: Convert to fraction form
    48,303.24/66,644.84 = 31,308.20/x
  3. Step 3: Cross multiply
    48,303.24x = 66,644.84 × 31,308.20
  4. Step 4: Simplify right side
    48,303.24x = 2,086,529,655.13
  5. Step 5: Solve for x
    x = 2,086,529,655.13/48,303.24
  6. Step 6: Final answer
    x = 43,196.48

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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.