Home / 53,376.64-73,662.60-30,719.08

Finding the Fourth Proportional to 53,376.64, 73,662.60 and 30,719.08

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Solution

The fourth proportional to 53,376.64, 73,662.60 and 30,719.08 is: 42,393.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,376.64 : 73,662.60 = 30,719.08 : x
  2. Step 2: Convert to fraction form
    53,376.64/73,662.60 = 30,719.08/x
  3. Step 3: Cross multiply
    53,376.64x = 73,662.60 × 30,719.08
  4. Step 4: Simplify right side
    53,376.64x = 2,262,847,302.41
  5. Step 5: Solve for x
    x = 2,262,847,302.41/53,376.64
  6. Step 6: Final answer
    x = 42,393.96

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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.