Home / 54,011.04-81,029.61-20,277.36

Finding the Fourth Proportional to 54,011.04, 81,029.61 and 20,277.36

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Solution

The fourth proportional to 54,011.04, 81,029.61 and 20,277.36 is: 30,420.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,011.04 : 81,029.61 = 20,277.36 : x
  2. Step 2: Convert to fraction form
    54,011.04/81,029.61 = 20,277.36/x
  3. Step 3: Cross multiply
    54,011.04x = 81,029.61 × 20,277.36
  4. Step 4: Simplify right side
    54,011.04x = 1,643,066,572.63
  5. Step 5: Solve for x
    x = 1,643,066,572.63/54,011.04
  6. Step 6: Final answer
    x = 30,420.94

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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.