Home / 31,929,400.80-47,894,101.20-21,725,733.60

Finding the Fourth Proportional to 31,929,400.80, 47,894,101.20 and 21,725,733.60

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Solution

The fourth proportional to 31,929,400.80, 47,894,101.20 and 21,725,733.60 is: 32,588,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,929,400.80 : 47,894,101.20 = 21,725,733.60 : x
  2. Step 2: Convert to fraction form
    31,929,400.80/47,894,101.20 = 21,725,733.60/x
  3. Step 3: Cross multiply
    31,929,400.80x = 47,894,101.20 × 21,725,733.60
  4. Step 4: Simplify right side
    31,929,400.80x = 1,040,534,483,682,640.50
  5. Step 5: Solve for x
    x = 1,040,534,483,682,640.50/31,929,400.80
  6. Step 6: Final answer
    x = 32,588,600.40

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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.