Home / 64,895.69-97,355.55-20,533.61

Finding the Fourth Proportional to 64,895.69, 97,355.55 and 20,533.61

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Solution

The fourth proportional to 64,895.69, 97,355.55 and 20,533.61 is: 30,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,895.69 : 97,355.55 = 20,533.61 : x
  2. Step 2: Convert to fraction form
    64,895.69/97,355.55 = 20,533.61/x
  3. Step 3: Cross multiply
    64,895.69x = 97,355.55 × 20,533.61
  4. Step 4: Simplify right side
    64,895.69x = 1,999,060,895.04
  5. Step 5: Solve for x
    x = 1,999,060,895.04/64,895.69
  6. Step 6: Final answer
    x = 30,804.22

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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.