Home / 34,281.28-51,430.13-12,099.64

Finding the Fourth Proportional to 34,281.28, 51,430.13 and 12,099.64

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Solution

The fourth proportional to 34,281.28, 51,430.13 and 12,099.64 is: 18,152.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,281.28 : 51,430.13 = 12,099.64 : x
  2. Step 2: Convert to fraction form
    34,281.28/51,430.13 = 12,099.64/x
  3. Step 3: Cross multiply
    34,281.28x = 51,430.13 × 12,099.64
  4. Step 4: Simplify right side
    34,281.28x = 622,286,058.15
  5. Step 5: Solve for x
    x = 622,286,058.15/34,281.28
  6. Step 6: Final answer
    x = 18,152.36

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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.