Home / 56,609.48-84,909-19,165.27

Finding the Fourth Proportional to 56,609.48, 84,909 and 19,165.27

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Solution

The fourth proportional to 56,609.48, 84,909 and 19,165.27 is: 28,746.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,609.48 : 84,909 = 19,165.27 : x
  2. Step 2: Convert to fraction form
    56,609.48/84,909 = 19,165.27/x
  3. Step 3: Cross multiply
    56,609.48x = 84,909 × 19,165.27
  4. Step 4: Simplify right side
    56,609.48x = 1,627,303,910.43
  5. Step 5: Solve for x
    x = 1,627,303,910.43/56,609.48
  6. Step 6: Final answer
    x = 28,746.14

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1.5x scale

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.