Home / 34,056.51-51,018.35-19,220.55

Finding the Fourth Proportional to 34,056.51, 51,018.35 and 19,220.55

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Solution

The fourth proportional to 34,056.51, 51,018.35 and 19,220.55 is: 28,793.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,056.51 : 51,018.35 = 19,220.55 : x
  2. Step 2: Convert to fraction form
    34,056.51/51,018.35 = 19,220.55/x
  3. Step 3: Cross multiply
    34,056.51x = 51,018.35 × 19,220.55
  4. Step 4: Simplify right side
    34,056.51x = 980,600,650.99
  5. Step 5: Solve for x
    x = 980,600,650.99/34,056.51
  6. Step 6: Final answer
    x = 28,793.34

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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.