Home / 54,697.32-82,013.13-21,377.67

Finding the Fourth Proportional to 54,697.32, 82,013.13 and 21,377.67

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Solution

The fourth proportional to 54,697.32, 82,013.13 and 21,377.67 is: 32,053.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,697.32 : 82,013.13 = 21,377.67 : x
  2. Step 2: Convert to fraction form
    54,697.32/82,013.13 = 21,377.67/x
  3. Step 3: Cross multiply
    54,697.32x = 82,013.13 × 21,377.67
  4. Step 4: Simplify right side
    54,697.32x = 1,753,249,628.81
  5. Step 5: Solve for x
    x = 1,753,249,628.81/54,697.32
  6. Step 6: Final answer
    x = 32,053.67

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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.