Home / 42,628.74-63,826.98-30,794.64

Finding the Fourth Proportional to 42,628.74, 63,826.98 and 30,794.64

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Solution

The fourth proportional to 42,628.74, 63,826.98 and 30,794.64 is: 46,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,628.74 : 63,826.98 = 30,794.64 : x
  2. Step 2: Convert to fraction form
    42,628.74/63,826.98 = 30,794.64/x
  3. Step 3: Cross multiply
    42,628.74x = 63,826.98 × 30,794.64
  4. Step 4: Simplify right side
    42,628.74x = 1,965,528,871.39
  5. Step 5: Solve for x
    x = 1,965,528,871.39/42,628.74
  6. Step 6: Final answer
    x = 46,108.07

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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.