Home / 39,029,929.28-53,861,249.58-21,627,401.48

Finding the Fourth Proportional to 39,029,929.28, 53,861,249.58 and 21,627,401.48

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Solution

The fourth proportional to 39,029,929.28, 53,861,249.58 and 21,627,401.48 is: 29,845,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,029,929.28 : 53,861,249.58 = 21,627,401.48 : x
  2. Step 2: Convert to fraction form
    39,029,929.28/53,861,249.58 = 21,627,401.48/x
  3. Step 3: Cross multiply
    39,029,929.28x = 53,861,249.58 × 21,627,401.48
  4. Step 4: Simplify right side
    39,029,929.28x = 1,164,878,868,881,141.25
  5. Step 5: Solve for x
    x = 1,164,878,868,881,141.25/39,029,929.28
  6. Step 6: Final answer
    x = 29,845,784.77

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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.