Home / 39,493.83-54,501.48-21,588.91

Finding the Fourth Proportional to 39,493.83, 54,501.48 and 21,588.91

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Solution

The fourth proportional to 39,493.83, 54,501.48 and 21,588.91 is: 29,792.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,493.83 : 54,501.48 = 21,588.91 : x
  2. Step 2: Convert to fraction form
    39,493.83/54,501.48 = 21,588.91/x
  3. Step 3: Cross multiply
    39,493.83x = 54,501.48 × 21,588.91
  4. Step 4: Simplify right side
    39,493.83x = 1,176,627,546.59
  5. Step 5: Solve for x
    x = 1,176,627,546.59/39,493.83
  6. Step 6: Final answer
    x = 29,792.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.