Home / 39,829.64-54,966.87-21,924.45

Finding the Fourth Proportional to 39,829.64, 54,966.87 and 21,924.45

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Solution

The fourth proportional to 39,829.64, 54,966.87 and 21,924.45 is: 30,256.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,829.64 : 54,966.87 = 21,924.45 : x
  2. Step 2: Convert to fraction form
    39,829.64/54,966.87 = 21,924.45/x
  3. Step 3: Cross multiply
    39,829.64x = 54,966.87 × 21,924.45
  4. Step 4: Simplify right side
    39,829.64x = 1,205,118,392.97
  5. Step 5: Solve for x
    x = 1,205,118,392.97/39,829.64
  6. Step 6: Final answer
    x = 30,256.83

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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.