Home / 40,779.20-61,204.80-24,118.40

Finding the Fourth Proportional to 40,779.20, 61,204.80 and 24,118.40

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Solution

The fourth proportional to 40,779.20, 61,204.80 and 24,118.40 is: 36,198.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,779.20 : 61,204.80 = 24,118.40 : x
  2. Step 2: Convert to fraction form
    40,779.20/61,204.80 = 24,118.40/x
  3. Step 3: Cross multiply
    40,779.20x = 61,204.80 × 24,118.40
  4. Step 4: Simplify right side
    40,779.20x = 1,476,161,848.32
  5. Step 5: Solve for x
    x = 1,476,161,848.32/40,779.20
  6. Step 6: Final answer
    x = 36,198.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.