Home / 34,303.51-51,461.39-12,129.76

Finding the Fourth Proportional to 34,303.51, 51,461.39 and 12,129.76

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Solution

The fourth proportional to 34,303.51, 51,461.39 and 12,129.76 is: 18,196.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,303.51 : 51,461.39 = 12,129.76 : x
  2. Step 2: Convert to fraction form
    34,303.51/51,461.39 = 12,129.76/x
  3. Step 3: Cross multiply
    34,303.51x = 51,461.39 × 12,129.76
  4. Step 4: Simplify right side
    34,303.51x = 624,214,309.97
  5. Step 5: Solve for x
    x = 624,214,309.97/34,303.51
  6. Step 6: Final answer
    x = 18,196.81

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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.