Home / 54,415.08-81,637.86-19,358.28

Finding the Fourth Proportional to 54,415.08, 81,637.86 and 19,358.28

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Solution

The fourth proportional to 54,415.08, 81,637.86 and 19,358.28 is: 29,042.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,415.08 : 81,637.86 = 19,358.28 : x
  2. Step 2: Convert to fraction form
    54,415.08/81,637.86 = 19,358.28/x
  3. Step 3: Cross multiply
    54,415.08x = 81,637.86 × 19,358.28
  4. Step 4: Simplify right side
    54,415.08x = 1,580,368,552.48
  5. Step 5: Solve for x
    x = 1,580,368,552.48/54,415.08
  6. Step 6: Final answer
    x = 29,042.84

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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.