Home / 51,130.56-76,663.44-21,568.80

Finding the Fourth Proportional to 51,130.56, 76,663.44 and 21,568.80

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Solution

The fourth proportional to 51,130.56, 76,663.44 and 21,568.80 is: 32,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,130.56 : 76,663.44 = 21,568.80 : x
  2. Step 2: Convert to fraction form
    51,130.56/76,663.44 = 21,568.80/x
  3. Step 3: Cross multiply
    51,130.56x = 76,663.44 × 21,568.80
  4. Step 4: Simplify right side
    51,130.56x = 1,653,538,404.67
  5. Step 5: Solve for x
    x = 1,653,538,404.67/51,130.56
  6. Step 6: Final answer
    x = 32,339.53

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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.