Home / 41,041.60-61,564.32-21,307.68

Finding the Fourth Proportional to 41,041.60, 61,564.32 and 21,307.68

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Solution

The fourth proportional to 41,041.60, 61,564.32 and 21,307.68 is: 31,962.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,041.60 : 61,564.32 = 21,307.68 : x
  2. Step 2: Convert to fraction form
    41,041.60/61,564.32 = 21,307.68/x
  3. Step 3: Cross multiply
    41,041.60x = 61,564.32 × 21,307.68
  4. Step 4: Simplify right side
    41,041.60x = 1,311,792,829.98
  5. Step 5: Solve for x
    x = 1,311,792,829.98/41,041.60
  6. Step 6: Final answer
    x = 31,962.52

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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.