Home / 53,290.74-79,918.80-17,742.51

Finding the Fourth Proportional to 53,290.74, 79,918.80 and 17,742.51

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Solution

The fourth proportional to 53,290.74, 79,918.80 and 17,742.51 is: 26,608.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,290.74 : 79,918.80 = 17,742.51 : x
  2. Step 2: Convert to fraction form
    53,290.74/79,918.80 = 17,742.51/x
  3. Step 3: Cross multiply
    53,290.74x = 79,918.80 × 17,742.51
  4. Step 4: Simplify right side
    53,290.74x = 1,417,960,108.19
  5. Step 5: Solve for x
    x = 1,417,960,108.19/53,290.74
  6. Step 6: Final answer
    x = 26,608.00

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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.