Home / 39,907.38-59,870.47-11,827.67

Finding the Fourth Proportional to 39,907.38, 59,870.47 and 11,827.67

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Solution

The fourth proportional to 39,907.38, 59,870.47 and 11,827.67 is: 17,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907.38 : 59,870.47 = 11,827.67 : x
  2. Step 2: Convert to fraction form
    39,907.38/59,870.47 = 11,827.67/x
  3. Step 3: Cross multiply
    39,907.38x = 59,870.47 × 11,827.67
  4. Step 4: Simplify right side
    39,907.38x = 708,128,191.93
  5. Step 5: Solve for x
    x = 708,128,191.93/39,907.38
  6. Step 6: Final answer
    x = 17,744.29

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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.