Home / 53,210.49-79,823.93-18,141.95

Finding the Fourth Proportional to 53,210.49, 79,823.93 and 18,141.95

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Solution

The fourth proportional to 53,210.49, 79,823.93 and 18,141.95 is: 27,215.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,210.49 : 79,823.93 = 18,141.95 : x
  2. Step 2: Convert to fraction form
    53,210.49/79,823.93 = 18,141.95/x
  3. Step 3: Cross multiply
    53,210.49x = 79,823.93 × 18,141.95
  4. Step 4: Simplify right side
    53,210.49x = 1,448,161,257.03
  5. Step 5: Solve for x
    x = 1,448,161,257.03/53,210.49
  6. Step 6: Final answer
    x = 27,215.71

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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.