Home / 39,087.68-58,638.76-12,793.84

Finding the Fourth Proportional to 39,087.68, 58,638.76 and 12,793.84

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Solution

The fourth proportional to 39,087.68, 58,638.76 and 12,793.84 is: 19,193.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,087.68 : 58,638.76 = 12,793.84 : x
  2. Step 2: Convert to fraction form
    39,087.68/58,638.76 = 12,793.84/x
  3. Step 3: Cross multiply
    39,087.68x = 58,638.76 × 12,793.84
  4. Step 4: Simplify right side
    39,087.68x = 750,214,913.24
  5. Step 5: Solve for x
    x = 750,214,913.24/39,087.68
  6. Step 6: Final answer
    x = 19,193.13

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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.