Home / 35,828.60-53,668.98-20,992.50

Finding the Fourth Proportional to 35,828.60, 53,668.98 and 20,992.50

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Solution

The fourth proportional to 35,828.60, 53,668.98 and 20,992.50 is: 31,445.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,828.60 : 53,668.98 = 20,992.50 : x
  2. Step 2: Convert to fraction form
    35,828.60/53,668.98 = 20,992.50/x
  3. Step 3: Cross multiply
    35,828.60x = 53,668.98 × 20,992.50
  4. Step 4: Simplify right side
    35,828.60x = 1,126,646,062.65
  5. Step 5: Solve for x
    x = 1,126,646,062.65/35,828.60
  6. Step 6: Final answer
    x = 31,445.44

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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.