Home / 49,811.67-68,740.13-28,301.45

Finding the Fourth Proportional to 49,811.67, 68,740.13 and 28,301.45

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Solution

The fourth proportional to 49,811.67, 68,740.13 and 28,301.45 is: 39,056.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,811.67 : 68,740.13 = 28,301.45 : x
  2. Step 2: Convert to fraction form
    49,811.67/68,740.13 = 28,301.45/x
  3. Step 3: Cross multiply
    49,811.67x = 68,740.13 × 28,301.45
  4. Step 4: Simplify right side
    49,811.67x = 1,945,445,352.19
  5. Step 5: Solve for x
    x = 1,945,445,352.19/49,811.67
  6. Step 6: Final answer
    x = 39,056.02

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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.