Home / 53,308.08-73,478.88-40,518.72

Finding the Fourth Proportional to 53,308.08, 73,478.88 and 40,518.72

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Solution

The fourth proportional to 53,308.08, 73,478.88 and 40,518.72 is: 55,850.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,308.08 : 73,478.88 = 40,518.72 : x
  2. Step 2: Convert to fraction form
    53,308.08/73,478.88 = 40,518.72/x
  3. Step 3: Cross multiply
    53,308.08x = 73,478.88 × 40,518.72
  4. Step 4: Simplify right side
    53,308.08x = 2,977,270,164.63
  5. Step 5: Solve for x
    x = 2,977,270,164.63/53,308.08
  6. Step 6: Final answer
    x = 55,850.26

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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.