Home / 39,119.32-58,681.14-15,742.72

Finding the Fourth Proportional to 39,119.32, 58,681.14 and 15,742.72

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Solution

The fourth proportional to 39,119.32, 58,681.14 and 15,742.72 is: 23,614.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,119.32 : 58,681.14 = 15,742.72 : x
  2. Step 2: Convert to fraction form
    39,119.32/58,681.14 = 15,742.72/x
  3. Step 3: Cross multiply
    39,119.32x = 58,681.14 × 15,742.72
  4. Step 4: Simplify right side
    39,119.32x = 923,800,756.30
  5. Step 5: Solve for x
    x = 923,800,756.30/39,119.32
  6. Step 6: Final answer
    x = 23,614.95

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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.