Home / 30,676.10-45,984.98-19,551.56

Finding the Fourth Proportional to 30,676.10, 45,984.98 and 19,551.56

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Solution

The fourth proportional to 30,676.10, 45,984.98 and 19,551.56 is: 29,308.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,676.10 : 45,984.98 = 19,551.56 : x
  2. Step 2: Convert to fraction form
    30,676.10/45,984.98 = 19,551.56/x
  3. Step 3: Cross multiply
    30,676.10x = 45,984.98 × 19,551.56
  4. Step 4: Simplify right side
    30,676.10x = 899,077,914.52
  5. Step 5: Solve for x
    x = 899,077,914.52/30,676.10
  6. Step 6: Final answer
    x = 29,308.75

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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.