Home / 42,967.12-64,449.71-25,309.80

Finding the Fourth Proportional to 42,967.12, 64,449.71 and 25,309.80

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Solution

The fourth proportional to 42,967.12, 64,449.71 and 25,309.80 is: 37,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,967.12 : 64,449.71 = 25,309.80 : x
  2. Step 2: Convert to fraction form
    42,967.12/64,449.71 = 25,309.80/x
  3. Step 3: Cross multiply
    42,967.12x = 64,449.71 × 25,309.80
  4. Step 4: Simplify right side
    42,967.12x = 1,631,208,821.36
  5. Step 5: Solve for x
    x = 1,631,208,821.36/42,967.12
  6. Step 6: Final answer
    x = 37,964.12

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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.