Home / 53,176.50-79,758.57-13,730.51

Finding the Fourth Proportional to 53,176.50, 79,758.57 and 13,730.51

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Solution

The fourth proportional to 53,176.50, 79,758.57 and 13,730.51 is: 20,594.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,176.50 : 79,758.57 = 13,730.51 : x
  2. Step 2: Convert to fraction form
    53,176.50/79,758.57 = 13,730.51/x
  3. Step 3: Cross multiply
    53,176.50x = 79,758.57 × 13,730.51
  4. Step 4: Simplify right side
    53,176.50x = 1,095,125,842.97
  5. Step 5: Solve for x
    x = 1,095,125,842.97/53,176.50
  6. Step 6: Final answer
    x = 20,594.17

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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.