Home / 54,582.39-81,873.58-15,139.50

Finding the Fourth Proportional to 54,582.39, 81,873.58 and 15,139.50

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Solution

The fourth proportional to 54,582.39, 81,873.58 and 15,139.50 is: 22,709.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,582.39 : 81,873.58 = 15,139.50 : x
  2. Step 2: Convert to fraction form
    54,582.39/81,873.58 = 15,139.50/x
  3. Step 3: Cross multiply
    54,582.39x = 81,873.58 × 15,139.50
  4. Step 4: Simplify right side
    54,582.39x = 1,239,525,422.61
  5. Step 5: Solve for x
    x = 1,239,525,422.61/54,582.39
  6. Step 6: Final answer
    x = 22,709.25

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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.