Home / 38,968,028.40-58,452,042.60-21,052,124.40

Finding the Fourth Proportional to 38,968,028.40, 58,452,042.60 and 21,052,124.40

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Solution

The fourth proportional to 38,968,028.40, 58,452,042.60 and 21,052,124.40 is: 31,578,186.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,968,028.40 : 58,452,042.60 = 21,052,124.40 : x
  2. Step 2: Convert to fraction form
    38,968,028.40/58,452,042.60 = 21,052,124.40/x
  3. Step 3: Cross multiply
    38,968,028.40x = 58,452,042.60 × 21,052,124.40
  4. Step 4: Simplify right side
    38,968,028.40x = 1,230,539,672,249,299.50
  5. Step 5: Solve for x
    x = 1,230,539,672,249,299.50/38,968,028.40
  6. Step 6: Final answer
    x = 31,578,186.60

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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.