Home / 42,907.76-64,361.70-17,934.14

Finding the Fourth Proportional to 42,907.76, 64,361.70 and 17,934.14

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Solution

The fourth proportional to 42,907.76, 64,361.70 and 17,934.14 is: 26,901.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,907.76 : 64,361.70 = 17,934.14 : x
  2. Step 2: Convert to fraction form
    42,907.76/64,361.70 = 17,934.14/x
  3. Step 3: Cross multiply
    42,907.76x = 64,361.70 × 17,934.14
  4. Step 4: Simplify right side
    42,907.76x = 1,154,271,738.44
  5. Step 5: Solve for x
    x = 1,154,271,738.44/42,907.76
  6. Step 6: Final answer
    x = 26,901.24

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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.