Home / 35,955-53,943.14-18,437.12

Finding the Fourth Proportional to 35,955, 53,943.14 and 18,437.12

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Solution

The fourth proportional to 35,955, 53,943.14 and 18,437.12 is: 27,661.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,955 : 53,943.14 = 18,437.12 : x
  2. Step 2: Convert to fraction form
    35,955/53,943.14 = 18,437.12/x
  3. Step 3: Cross multiply
    35,955x = 53,943.14 × 18,437.12
  4. Step 4: Simplify right side
    35,955x = 994,556,145.36
  5. Step 5: Solve for x
    x = 994,556,145.36/35,955
  6. Step 6: Final answer
    x = 27,661.14

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Double scale
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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.