Home / 32,707.38-45,135.75-19,279.20

Finding the Fourth Proportional to 32,707.38, 45,135.75 and 19,279.20

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Solution

The fourth proportional to 32,707.38, 45,135.75 and 19,279.20 is: 26,605.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,707.38 : 45,135.75 = 19,279.20 : x
  2. Step 2: Convert to fraction form
    32,707.38/45,135.75 = 19,279.20/x
  3. Step 3: Cross multiply
    32,707.38x = 45,135.75 × 19,279.20
  4. Step 4: Simplify right side
    32,707.38x = 870,181,151.40
  5. Step 5: Solve for x
    x = 870,181,151.40/32,707.38
  6. Step 6: Final answer
    x = 26,605.04

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Double scale
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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.