Home / 39,179,725.60-58,769,588.40-21,263,821.60

Finding the Fourth Proportional to 39,179,725.60, 58,769,588.40 and 21,263,821.60

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Solution

The fourth proportional to 39,179,725.60, 58,769,588.40 and 21,263,821.60 is: 31,895,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,179,725.60 : 58,769,588.40 = 21,263,821.60 : x
  2. Step 2: Convert to fraction form
    39,179,725.60/58,769,588.40 = 21,263,821.60/x
  3. Step 3: Cross multiply
    39,179,725.60x = 58,769,588.40 × 21,263,821.60
  4. Step 4: Simplify right side
    39,179,725.60x = 1,249,666,043,243,029.50
  5. Step 5: Solve for x
    x = 1,249,666,043,243,029.50/39,179,725.60
  6. Step 6: Final answer
    x = 31,895,732.40

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Double scale
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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.