Home / 39,967.16-59,907.42-19,718

Finding the Fourth Proportional to 39,967.16, 59,907.42 and 19,718

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Solution

The fourth proportional to 39,967.16, 59,907.42 and 19,718 is: 29,555.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,967.16 : 59,907.42 = 19,718 : x
  2. Step 2: Convert to fraction form
    39,967.16/59,907.42 = 19,718/x
  3. Step 3: Cross multiply
    39,967.16x = 59,907.42 × 19,718
  4. Step 4: Simplify right side
    39,967.16x = 1,181,254,507.56
  5. Step 5: Solve for x
    x = 1,181,254,507.56/39,967.16
  6. Step 6: Final answer
    x = 29,555.63

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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.