Home / 53,184.88-79,734.25-19,900.16

Finding the Fourth Proportional to 53,184.88, 79,734.25 and 19,900.16

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Solution

The fourth proportional to 53,184.88, 79,734.25 and 19,900.16 is: 29,834.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,184.88 : 79,734.25 = 19,900.16 : x
  2. Step 2: Convert to fraction form
    53,184.88/79,734.25 = 19,900.16/x
  3. Step 3: Cross multiply
    53,184.88x = 79,734.25 × 19,900.16
  4. Step 4: Simplify right side
    53,184.88x = 1,586,724,332.48
  5. Step 5: Solve for x
    x = 1,586,724,332.48/53,184.88
  6. Step 6: Final answer
    x = 29,834.12

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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.