Home / 53,107.72-73,290.60-29,235.40

Finding the Fourth Proportional to 53,107.72, 73,290.60 and 29,235.40

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Solution

The fourth proportional to 53,107.72, 73,290.60 and 29,235.40 is: 40,345.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,107.72 : 73,290.60 = 29,235.40 : x
  2. Step 2: Convert to fraction form
    53,107.72/73,290.60 = 29,235.40/x
  3. Step 3: Cross multiply
    53,107.72x = 73,290.60 × 29,235.40
  4. Step 4: Simplify right side
    53,107.72x = 2,142,680,007.24
  5. Step 5: Solve for x
    x = 2,142,680,007.24/53,107.72
  6. Step 6: Final answer
    x = 40,345.92

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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.