Home / 53,653.65-80,448.86-20,376.06

Finding the Fourth Proportional to 53,653.65, 80,448.86 and 20,376.06

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Solution

The fourth proportional to 53,653.65, 80,448.86 and 20,376.06 is: 30,552.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,653.65 : 80,448.86 = 20,376.06 : x
  2. Step 2: Convert to fraction form
    53,653.65/80,448.86 = 20,376.06/x
  3. Step 3: Cross multiply
    53,653.65x = 80,448.86 × 20,376.06
  4. Step 4: Simplify right side
    53,653.65x = 1,639,230,294.17
  5. Step 5: Solve for x
    x = 1,639,230,294.17/53,653.65
  6. Step 6: Final answer
    x = 30,552.08

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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.