Home / 54,009.51-81,013.31-14,570.79

Finding the Fourth Proportional to 54,009.51, 81,013.31 and 14,570.79

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Solution

The fourth proportional to 54,009.51, 81,013.31 and 14,570.79 is: 21,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,009.51 : 81,013.31 = 14,570.79 : x
  2. Step 2: Convert to fraction form
    54,009.51/81,013.31 = 14,570.79/x
  3. Step 3: Cross multiply
    54,009.51x = 81,013.31 × 14,570.79
  4. Step 4: Simplify right side
    54,009.51x = 1,180,427,854.36
  5. Step 5: Solve for x
    x = 1,180,427,854.36/54,009.51
  6. Step 6: Final answer
    x = 21,855.93

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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.