Home / 39,147.83-58,727.87-12,846.59

Finding the Fourth Proportional to 39,147.83, 58,727.87 and 12,846.59

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Solution

The fourth proportional to 39,147.83, 58,727.87 and 12,846.59 is: 19,271.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,147.83 : 58,727.87 = 12,846.59 : x
  2. Step 2: Convert to fraction form
    39,147.83/58,727.87 = 12,846.59/x
  3. Step 3: Cross multiply
    39,147.83x = 58,727.87 × 12,846.59
  4. Step 4: Simplify right side
    39,147.83x = 754,452,867.46
  5. Step 5: Solve for x
    x = 754,452,867.46/39,147.83
  6. Step 6: Final answer
    x = 19,271.89

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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.