Home / 82,637.36-123,964.24-26,463.36

Finding the Fourth Proportional to 82,637.36, 123,964.24 and 26,463.36

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Solution

The fourth proportional to 82,637.36, 123,964.24 and 26,463.36 is: 39,697.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,637.36 : 123,964.24 = 26,463.36 : x
  2. Step 2: Convert to fraction form
    82,637.36/123,964.24 = 26,463.36/x
  3. Step 3: Cross multiply
    82,637.36x = 123,964.24 × 26,463.36
  4. Step 4: Simplify right side
    82,637.36x = 3,280,510,310.25
  5. Step 5: Solve for x
    x = 3,280,510,310.25/82,637.36
  6. Step 6: Final answer
    x = 39,697.67

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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.