Home / 39,089.55-58,628.85-12,790.89

Finding the Fourth Proportional to 39,089.55, 58,628.85 and 12,790.89

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Solution

The fourth proportional to 39,089.55, 58,628.85 and 12,790.89 is: 19,184.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,089.55 : 58,628.85 = 12,790.89 : x
  2. Step 2: Convert to fraction form
    39,089.55/58,628.85 = 12,790.89/x
  3. Step 3: Cross multiply
    39,089.55x = 58,628.85 × 12,790.89
  4. Step 4: Simplify right side
    39,089.55x = 749,915,171.18
  5. Step 5: Solve for x
    x = 749,915,171.18/39,089.55
  6. Step 6: Final answer
    x = 19,184.54

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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.