Home / 49,477.41-68,279.58-28,256.72

Finding the Fourth Proportional to 49,477.41, 68,279.58 and 28,256.72

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Solution

The fourth proportional to 49,477.41, 68,279.58 and 28,256.72 is: 38,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,477.41 : 68,279.58 = 28,256.72 : x
  2. Step 2: Convert to fraction form
    49,477.41/68,279.58 = 28,256.72/x
  3. Step 3: Cross multiply
    49,477.41x = 68,279.58 × 28,256.72
  4. Step 4: Simplify right side
    49,477.41x = 1,929,356,632.38
  5. Step 5: Solve for x
    x = 1,929,356,632.38/49,477.41
  6. Step 6: Final answer
    x = 38,994.70

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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.