Home / 71,668.14-107,502.45-21,748.65

Finding the Fourth Proportional to 71,668.14, 107,502.45 and 21,748.65

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Solution

The fourth proportional to 71,668.14, 107,502.45 and 21,748.65 is: 32,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,668.14 : 107,502.45 = 21,748.65 : x
  2. Step 2: Convert to fraction form
    71,668.14/107,502.45 = 21,748.65/x
  3. Step 3: Cross multiply
    71,668.14x = 107,502.45 × 21,748.65
  4. Step 4: Simplify right side
    71,668.14x = 2,338,033,159.19
  5. Step 5: Solve for x
    x = 2,338,033,159.19/71,668.14
  6. Step 6: Final answer
    x = 32,623.05

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1.5x scale

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.