Home / 38,021,338.80-57,032,008.20-21,897,025.20

Finding the Fourth Proportional to 38,021,338.80, 57,032,008.20 and 21,897,025.20

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Solution

The fourth proportional to 38,021,338.80, 57,032,008.20 and 21,897,025.20 is: 32,845,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,021,338.80 : 57,032,008.20 = 21,897,025.20 : x
  2. Step 2: Convert to fraction form
    38,021,338.80/57,032,008.20 = 21,897,025.20/x
  3. Step 3: Cross multiply
    38,021,338.80x = 57,032,008.20 × 21,897,025.20
  4. Step 4: Simplify right side
    38,021,338.80x = 1,248,831,320,762,006.75
  5. Step 5: Solve for x
    x = 1,248,831,320,762,006.75/38,021,338.80
  6. Step 6: Final answer
    x = 32,845,537.80

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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.