Home / 53,051.07-79,577.52-17,991.63

Finding the Fourth Proportional to 53,051.07, 79,577.52 and 17,991.63

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Solution

The fourth proportional to 53,051.07, 79,577.52 and 17,991.63 is: 26,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,051.07 : 79,577.52 = 17,991.63 : x
  2. Step 2: Convert to fraction form
    53,051.07/79,577.52 = 17,991.63/x
  3. Step 3: Cross multiply
    53,051.07x = 79,577.52 × 17,991.63
  4. Step 4: Simplify right side
    53,051.07x = 1,431,729,296.16
  5. Step 5: Solve for x
    x = 1,431,729,296.16/53,051.07
  6. Step 6: Final answer
    x = 26,987.76

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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.