Home / 53,009.93-79,514.74-21,419.62

Finding the Fourth Proportional to 53,009.93, 79,514.74 and 21,419.62

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Solution

The fourth proportional to 53,009.93, 79,514.74 and 21,419.62 is: 32,129.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,009.93 : 79,514.74 = 21,419.62 : x
  2. Step 2: Convert to fraction form
    53,009.93/79,514.74 = 21,419.62/x
  3. Step 3: Cross multiply
    53,009.93x = 79,514.74 × 21,419.62
  4. Step 4: Simplify right side
    53,009.93x = 1,703,175,408.10
  5. Step 5: Solve for x
    x = 1,703,175,408.10/53,009.93
  6. Step 6: Final answer
    x = 32,129.37

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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.