Home / 49,811.40-74,717.10-46,009.80

Finding the Fourth Proportional to 49,811.40, 74,717.10 and 46,009.80

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Solution

The fourth proportional to 49,811.40, 74,717.10 and 46,009.80 is: 69,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,811.40 : 74,717.10 = 46,009.80 : x
  2. Step 2: Convert to fraction form
    49,811.40/74,717.10 = 46,009.80/x
  3. Step 3: Cross multiply
    49,811.40x = 74,717.10 × 46,009.80
  4. Step 4: Simplify right side
    49,811.40x = 3,437,718,827.58
  5. Step 5: Solve for x
    x = 3,437,718,827.58/49,811.40
  6. Step 6: Final answer
    x = 69,014.70

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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.