Home / 32,707.88-45,136.40-19,279.68

Finding the Fourth Proportional to 32,707.88, 45,136.40 and 19,279.68

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Solution

The fourth proportional to 32,707.88, 45,136.40 and 19,279.68 is: 26,605.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,707.88 : 45,136.40 = 19,279.68 : x
  2. Step 2: Convert to fraction form
    32,707.88/45,136.40 = 19,279.68/x
  3. Step 3: Cross multiply
    32,707.88x = 45,136.40 × 19,279.68
  4. Step 4: Simplify right side
    32,707.88x = 870,215,348.35
  5. Step 5: Solve for x
    x = 870,215,348.35/32,707.88
  6. Step 6: Final answer
    x = 26,605.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.