Home / 39,090.69-58,646.97-12,813.93

Finding the Fourth Proportional to 39,090.69, 58,646.97 and 12,813.93

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Solution

The fourth proportional to 39,090.69, 58,646.97 and 12,813.93 is: 19,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,090.69 : 58,646.97 = 12,813.93 : x
  2. Step 2: Convert to fraction form
    39,090.69/58,646.97 = 12,813.93/x
  3. Step 3: Cross multiply
    39,090.69x = 58,646.97 × 12,813.93
  4. Step 4: Simplify right side
    39,090.69x = 751,498,168.29
  5. Step 5: Solve for x
    x = 751,498,168.29/39,090.69
  6. Step 6: Final answer
    x = 19,224.48

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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.