Home / 43,547.86-65,321.74-28,753.31

Finding the Fourth Proportional to 43,547.86, 65,321.74 and 28,753.31

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Solution

The fourth proportional to 43,547.86, 65,321.74 and 28,753.31 is: 43,129.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,547.86 : 65,321.74 = 28,753.31 : x
  2. Step 2: Convert to fraction form
    43,547.86/65,321.74 = 28,753.31/x
  3. Step 3: Cross multiply
    43,547.86x = 65,321.74 × 28,753.31
  4. Step 4: Simplify right side
    43,547.86x = 1,878,216,439.21
  5. Step 5: Solve for x
    x = 1,878,216,439.21/43,547.86
  6. Step 6: Final answer
    x = 43,129.94

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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.