Home / 34,203.44-51,312.36-19,419.20

Finding the Fourth Proportional to 34,203.44, 51,312.36 and 19,419.20

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Solution

The fourth proportional to 34,203.44, 51,312.36 and 19,419.20 is: 29,132.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,203.44 : 51,312.36 = 19,419.20 : x
  2. Step 2: Convert to fraction form
    34,203.44/51,312.36 = 19,419.20/x
  3. Step 3: Cross multiply
    34,203.44x = 51,312.36 × 19,419.20
  4. Step 4: Simplify right side
    34,203.44x = 996,444,981.31
  5. Step 5: Solve for x
    x = 996,444,981.31/34,203.44
  6. Step 6: Final answer
    x = 29,132.89

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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.