Home / 39,235-54,140.26-23,316.38

Finding the Fourth Proportional to 39,235, 54,140.26 and 23,316.38

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Solution

The fourth proportional to 39,235, 54,140.26 and 23,316.38 is: 32,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,235 : 54,140.26 = 23,316.38 : x
  2. Step 2: Convert to fraction form
    39,235/54,140.26 = 23,316.38/x
  3. Step 3: Cross multiply
    39,235x = 54,140.26 × 23,316.38
  4. Step 4: Simplify right side
    39,235x = 1,262,354,875.46
  5. Step 5: Solve for x
    x = 1,262,354,875.46/39,235
  6. Step 6: Final answer
    x = 32,174.20

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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.