Home / 49,887.37-68,841.81-28,374.21

Finding the Fourth Proportional to 49,887.37, 68,841.81 and 28,374.21

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Solution

The fourth proportional to 49,887.37, 68,841.81 and 28,374.21 is: 39,154.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,887.37 : 68,841.81 = 28,374.21 : x
  2. Step 2: Convert to fraction form
    49,887.37/68,841.81 = 28,374.21/x
  3. Step 3: Cross multiply
    49,887.37x = 68,841.81 × 28,374.21
  4. Step 4: Simplify right side
    49,887.37x = 1,953,331,973.72
  5. Step 5: Solve for x
    x = 1,953,331,973.72/49,887.37
  6. Step 6: Final answer
    x = 39,154.84

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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.