Home / 34,109.93-51,166.79-10,421.08

Finding the Fourth Proportional to 34,109.93, 51,166.79 and 10,421.08

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Solution

The fourth proportional to 34,109.93, 51,166.79 and 10,421.08 is: 15,632.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,109.93 : 51,166.79 = 10,421.08 : x
  2. Step 2: Convert to fraction form
    34,109.93/51,166.79 = 10,421.08/x
  3. Step 3: Cross multiply
    34,109.93x = 51,166.79 × 10,421.08
  4. Step 4: Simplify right side
    34,109.93x = 533,213,211.93
  5. Step 5: Solve for x
    x = 533,213,211.93/34,109.93
  6. Step 6: Final answer
    x = 15,632.20

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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.