Home / 34,421.63-51,618.53-13,350.57

Finding the Fourth Proportional to 34,421.63, 51,618.53 and 13,350.57

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Solution

The fourth proportional to 34,421.63, 51,618.53 and 13,350.57 is: 20,020.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,421.63 : 51,618.53 = 13,350.57 : x
  2. Step 2: Convert to fraction form
    34,421.63/51,618.53 = 13,350.57/x
  3. Step 3: Cross multiply
    34,421.63x = 51,618.53 × 13,350.57
  4. Step 4: Simplify right side
    34,421.63x = 689,136,731.31
  5. Step 5: Solve for x
    x = 689,136,731.31/34,421.63
  6. Step 6: Final answer
    x = 20,020.46

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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.