Home / 34,281.78-51,430.88-12,100.14

Finding the Fourth Proportional to 34,281.78, 51,430.88 and 12,100.14

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Solution

The fourth proportional to 34,281.78, 51,430.88 and 12,100.14 is: 18,153.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,281.78 : 51,430.88 = 12,100.14 : x
  2. Step 2: Convert to fraction form
    34,281.78/51,430.88 = 12,100.14/x
  3. Step 3: Cross multiply
    34,281.78x = 51,430.88 × 12,100.14
  4. Step 4: Simplify right side
    34,281.78x = 622,320,848.32
  5. Step 5: Solve for x
    x = 622,320,848.32/34,281.78
  6. Step 6: Final answer
    x = 18,153.11

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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.