Home / 39,905,625.72-55,084,650.84-31,067,565.06

Finding the Fourth Proportional to 39,905,625.72, 55,084,650.84 and 31,067,565.06

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Solution

The fourth proportional to 39,905,625.72, 55,084,650.84 and 31,067,565.06 is: 42,884,829.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,905,625.72 : 55,084,650.84 = 31,067,565.06 : x
  2. Step 2: Convert to fraction form
    39,905,625.72/55,084,650.84 = 31,067,565.06/x
  3. Step 3: Cross multiply
    39,905,625.72x = 55,084,650.84 × 31,067,565.06
  4. Step 4: Simplify right side
    39,905,625.72x = 1,711,345,973,779,083.75
  5. Step 5: Solve for x
    x = 1,711,345,973,779,083.75/39,905,625.72
  6. Step 6: Final answer
    x = 42,884,829.97

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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.