Home / 38,968,032.40-58,452,048.60-21,052,128.40

Finding the Fourth Proportional to 38,968,032.40, 58,452,048.60 and 21,052,128.40

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Solution

The fourth proportional to 38,968,032.40, 58,452,048.60 and 21,052,128.40 is: 31,578,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,968,032.40 : 58,452,048.60 = 21,052,128.40 : x
  2. Step 2: Convert to fraction form
    38,968,032.40/58,452,048.60 = 21,052,128.40/x
  3. Step 3: Cross multiply
    38,968,032.40x = 58,452,048.60 × 21,052,128.40
  4. Step 4: Simplify right side
    38,968,032.40x = 1,230,540,032,370,240.25
  5. Step 5: Solve for x
    x = 1,230,540,032,370,240.25/38,968,032.40
  6. Step 6: Final answer
    x = 31,578,192.60

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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.