Home / 38,266.56-52,760.16-31,579.20

Finding the Fourth Proportional to 38,266.56, 52,760.16 and 31,579.20

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Solution

The fourth proportional to 38,266.56, 52,760.16 and 31,579.20 is: 43,539.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,266.56 : 52,760.16 = 31,579.20 : x
  2. Step 2: Convert to fraction form
    38,266.56/52,760.16 = 31,579.20/x
  3. Step 3: Cross multiply
    38,266.56x = 52,760.16 × 31,579.20
  4. Step 4: Simplify right side
    38,266.56x = 1,666,123,644.67
  5. Step 5: Solve for x
    x = 1,666,123,644.67/38,266.56
  6. Step 6: Final answer
    x = 43,539.94

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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.