Home / 31,030,933.31-42,822,687.72-17,985,758.97

Finding the Fourth Proportional to 31,030,933.31, 42,822,687.72 and 17,985,758.97

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Solution

The fourth proportional to 31,030,933.31, 42,822,687.72 and 17,985,758.97 is: 24,820,347.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,030,933.31 : 42,822,687.72 = 17,985,758.97 : x
  2. Step 2: Convert to fraction form
    31,030,933.31/42,822,687.72 = 17,985,758.97/x
  3. Step 3: Cross multiply
    31,030,933.31x = 42,822,687.72 × 17,985,758.97
  4. Step 4: Simplify right side
    31,030,933.31x = 770,198,539,779,498.75
  5. Step 5: Solve for x
    x = 770,198,539,779,498.75/31,030,933.31
  6. Step 6: Final answer
    x = 24,820,347.24

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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.