Home / 54,030.94-81,050.30-20,751.00

Finding the Fourth Proportional to 54,030.94, 81,050.30 and 20,751.00

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Solution

The fourth proportional to 54,030.94, 81,050.30 and 20,751.00 is: 31,128.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,030.94 : 81,050.30 = 20,751.00 : x
  2. Step 2: Convert to fraction form
    54,030.94/81,050.30 = 20,751.00/x
  3. Step 3: Cross multiply
    54,030.94x = 81,050.30 × 20,751.00
  4. Step 4: Simplify right side
    54,030.94x = 1,681,875,203.59
  5. Step 5: Solve for x
    x = 1,681,875,203.59/54,030.94
  6. Step 6: Final answer
    x = 31,128.00

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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.