Home / 61,043.20-91,622.40-37,715.20

Finding the Fourth Proportional to 61,043.20, 91,622.40 and 37,715.20

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Solution

The fourth proportional to 61,043.20, 91,622.40 and 37,715.20 is: 56,608.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,043.20 : 91,622.40 = 37,715.20 : x
  2. Step 2: Convert to fraction form
    61,043.20/91,622.40 = 37,715.20/x
  3. Step 3: Cross multiply
    61,043.20x = 91,622.40 × 37,715.20
  4. Step 4: Simplify right side
    61,043.20x = 3,455,557,140.48
  5. Step 5: Solve for x
    x = 3,455,557,140.48/61,043.20
  6. Step 6: Final answer
    x = 56,608.39

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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.