Home / 39,217.01-58,832.81-12,922.79

Finding the Fourth Proportional to 39,217.01, 58,832.81 and 12,922.79

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Solution

The fourth proportional to 39,217.01, 58,832.81 and 12,922.79 is: 19,386.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,217.01 : 58,832.81 = 12,922.79 : x
  2. Step 2: Convert to fraction form
    39,217.01/58,832.81 = 12,922.79/x
  3. Step 3: Cross multiply
    39,217.01x = 58,832.81 × 12,922.79
  4. Step 4: Simplify right side
    39,217.01x = 760,284,048.74
  5. Step 5: Solve for x
    x = 760,284,048.74/39,217.01
  6. Step 6: Final answer
    x = 19,386.59

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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.