Home / 42,161.06-58,230.09-28,708.96

Finding the Fourth Proportional to 42,161.06, 58,230.09 and 28,708.96

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Solution

The fourth proportional to 42,161.06, 58,230.09 and 28,708.96 is: 39,650.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,161.06 : 58,230.09 = 28,708.96 : x
  2. Step 2: Convert to fraction form
    42,161.06/58,230.09 = 28,708.96/x
  3. Step 3: Cross multiply
    42,161.06x = 58,230.09 × 28,708.96
  4. Step 4: Simplify right side
    42,161.06x = 1,671,725,124.44
  5. Step 5: Solve for x
    x = 1,671,725,124.44/42,161.06
  6. Step 6: Final answer
    x = 39,650.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.