Home / 34,148.80-51,225.60-19,364.80

Finding the Fourth Proportional to 34,148.80, 51,225.60 and 19,364.80

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Solution

The fourth proportional to 34,148.80, 51,225.60 and 19,364.80 is: 29,048.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,148.80 : 51,225.60 = 19,364.80 : x
  2. Step 2: Convert to fraction form
    34,148.80/51,225.60 = 19,364.80/x
  3. Step 3: Cross multiply
    34,148.80x = 51,225.60 × 19,364.80
  4. Step 4: Simplify right side
    34,148.80x = 991,973,498.88
  5. Step 5: Solve for x
    x = 991,973,498.88/34,148.80
  6. Step 6: Final answer
    x = 29,048.56

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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.