Home / 43,404.86-65,115.40-19,714.06

Finding the Fourth Proportional to 43,404.86, 65,115.40 and 19,714.06

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Solution

The fourth proportional to 43,404.86, 65,115.40 and 19,714.06 is: 29,574.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,404.86 : 65,115.40 = 19,714.06 : x
  2. Step 2: Convert to fraction form
    43,404.86/65,115.40 = 19,714.06/x
  3. Step 3: Cross multiply
    43,404.86x = 65,115.40 × 19,714.06
  4. Step 4: Simplify right side
    43,404.86x = 1,283,688,902.52
  5. Step 5: Solve for x
    x = 1,283,688,902.52/43,404.86
  6. Step 6: Final answer
    x = 29,574.77

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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.