Home / 34,120.63-51,188.43-10,430.14

Finding the Fourth Proportional to 34,120.63, 51,188.43 and 10,430.14

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Solution

The fourth proportional to 34,120.63, 51,188.43 and 10,430.14 is: 15,647.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,120.63 : 51,188.43 = 10,430.14 : x
  2. Step 2: Convert to fraction form
    34,120.63/51,188.43 = 10,430.14/x
  3. Step 3: Cross multiply
    34,120.63x = 51,188.43 × 10,430.14
  4. Step 4: Simplify right side
    34,120.63x = 533,902,491.28
  5. Step 5: Solve for x
    x = 533,902,491.28/34,120.63
  6. Step 6: Final answer
    x = 15,647.50

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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.