Home / 39,259.24-58,880.40-12,957.76

Finding the Fourth Proportional to 39,259.24, 58,880.40 and 12,957.76

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Solution

The fourth proportional to 39,259.24, 58,880.40 and 12,957.76 is: 19,433.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,259.24 : 58,880.40 = 12,957.76 : x
  2. Step 2: Convert to fraction form
    39,259.24/58,880.40 = 12,957.76/x
  3. Step 3: Cross multiply
    39,259.24x = 58,880.40 × 12,957.76
  4. Step 4: Simplify right side
    39,259.24x = 762,958,091.90
  5. Step 5: Solve for x
    x = 762,958,091.90/39,259.24
  6. Step 6: Final answer
    x = 19,433.85

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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.