Home / 34,826.45-52,239.60-12,639.74

Finding the Fourth Proportional to 34,826.45, 52,239.60 and 12,639.74

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Solution

The fourth proportional to 34,826.45, 52,239.60 and 12,639.74 is: 18,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,826.45 : 52,239.60 = 12,639.74 : x
  2. Step 2: Convert to fraction form
    34,826.45/52,239.60 = 12,639.74/x
  3. Step 3: Cross multiply
    34,826.45x = 52,239.60 × 12,639.74
  4. Step 4: Simplify right side
    34,826.45x = 660,294,700.51
  5. Step 5: Solve for x
    x = 660,294,700.51/34,826.45
  6. Step 6: Final answer
    x = 18,959.58

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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.