Home / 53,064.35-73,269.90-40,780.29

Finding the Fourth Proportional to 53,064.35, 73,269.90 and 40,780.29

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Solution

The fourth proportional to 53,064.35, 73,269.90 and 40,780.29 is: 56,308.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,064.35 : 73,269.90 = 40,780.29 : x
  2. Step 2: Convert to fraction form
    53,064.35/73,269.90 = 40,780.29/x
  3. Step 3: Cross multiply
    53,064.35x = 73,269.90 × 40,780.29
  4. Step 4: Simplify right side
    53,064.35x = 2,987,968,045.03
  5. Step 5: Solve for x
    x = 2,987,968,045.03/53,064.35
  6. Step 6: Final answer
    x = 56,308.39

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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.