Home / 48,805.09-67,328.67-28,661.59

Finding the Fourth Proportional to 48,805.09, 67,328.67 and 28,661.59

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Solution

The fourth proportional to 48,805.09, 67,328.67 and 28,661.59 is: 39,539.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,805.09 : 67,328.67 = 28,661.59 : x
  2. Step 2: Convert to fraction form
    48,805.09/67,328.67 = 28,661.59/x
  3. Step 3: Cross multiply
    48,805.09x = 67,328.67 × 28,661.59
  4. Step 4: Simplify right side
    48,805.09x = 1,929,746,734.79
  5. Step 5: Solve for x
    x = 1,929,746,734.79/48,805.09
  6. Step 6: Final answer
    x = 39,539.87

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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.