Home / 34,234.10-51,358.35-19,430.90

Finding the Fourth Proportional to 34,234.10, 51,358.35 and 19,430.90

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Solution

The fourth proportional to 34,234.10, 51,358.35 and 19,430.90 is: 29,150.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,234.10 : 51,358.35 = 19,430.90 : x
  2. Step 2: Convert to fraction form
    34,234.10/51,358.35 = 19,430.90/x
  3. Step 3: Cross multiply
    34,234.10x = 51,358.35 × 19,430.90
  4. Step 4: Simplify right side
    34,234.10x = 997,938,963.02
  5. Step 5: Solve for x
    x = 997,938,963.02/34,234.10
  6. Step 6: Final answer
    x = 29,150.44

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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.