Home / 54,403.77-81,556.40-19,335.23

Finding the Fourth Proportional to 54,403.77, 81,556.40 and 19,335.23

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Solution

The fourth proportional to 54,403.77, 81,556.40 and 19,335.23 is: 28,985.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,403.77 : 81,556.40 = 19,335.23 : x
  2. Step 2: Convert to fraction form
    54,403.77/81,556.40 = 19,335.23/x
  3. Step 3: Cross multiply
    54,403.77x = 81,556.40 × 19,335.23
  4. Step 4: Simplify right side
    54,403.77x = 1,576,911,247.51
  5. Step 5: Solve for x
    x = 1,576,911,247.51/54,403.77
  6. Step 6: Final answer
    x = 28,985.33

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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.