Home / 42,809.12-64,181.04-29,623.52

Finding the Fourth Proportional to 42,809.12, 64,181.04 and 29,623.52

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Solution

The fourth proportional to 42,809.12, 64,181.04 and 29,623.52 is: 44,412.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,809.12 : 64,181.04 = 29,623.52 : x
  2. Step 2: Convert to fraction form
    42,809.12/64,181.04 = 29,623.52/x
  3. Step 3: Cross multiply
    42,809.12x = 64,181.04 × 29,623.52
  4. Step 4: Simplify right side
    42,809.12x = 1,901,268,322.06
  5. Step 5: Solve for x
    x = 1,901,268,322.06/42,809.12
  6. Step 6: Final answer
    x = 44,412.69

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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.