Home / 39,247.35-58,870.76-12,954.21

Finding the Fourth Proportional to 39,247.35, 58,870.76 and 12,954.21

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Solution

The fourth proportional to 39,247.35, 58,870.76 and 12,954.21 is: 19,431.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,247.35 : 58,870.76 = 12,954.21 : x
  2. Step 2: Convert to fraction form
    39,247.35/58,870.76 = 12,954.21/x
  3. Step 3: Cross multiply
    39,247.35x = 58,870.76 × 12,954.21
  4. Step 4: Simplify right side
    39,247.35x = 762,624,123.13
  5. Step 5: Solve for x
    x = 762,624,123.13/39,247.35
  6. Step 6: Final answer
    x = 19,431.23

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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.