Home / 46,721.05-70,090.81-17,139.14

Finding the Fourth Proportional to 46,721.05, 70,090.81 and 17,139.14

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Solution

The fourth proportional to 46,721.05, 70,090.81 and 17,139.14 is: 25,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,721.05 : 70,090.81 = 17,139.14 : x
  2. Step 2: Convert to fraction form
    46,721.05/70,090.81 = 17,139.14/x
  3. Step 3: Cross multiply
    46,721.05x = 70,090.81 × 17,139.14
  4. Step 4: Simplify right side
    46,721.05x = 1,201,296,205.30
  5. Step 5: Solve for x
    x = 1,201,296,205.30/46,721.05
  6. Step 6: Final answer
    x = 25,712.10

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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.