Home / 48,578.97-67,043.76-28,434.63

Finding the Fourth Proportional to 48,578.97, 67,043.76 and 28,434.63

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Solution

The fourth proportional to 48,578.97, 67,043.76 and 28,434.63 is: 39,242.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,578.97 : 67,043.76 = 28,434.63 : x
  2. Step 2: Convert to fraction form
    48,578.97/67,043.76 = 28,434.63/x
  3. Step 3: Cross multiply
    48,578.97x = 67,043.76 × 28,434.63
  4. Step 4: Simplify right side
    48,578.97x = 1,906,364,509.41
  5. Step 5: Solve for x
    x = 1,906,364,509.41/48,578.97
  6. Step 6: Final answer
    x = 39,242.59

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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.