Home / 42,918-59,213.80-27,018.32

Finding the Fourth Proportional to 42,918, 59,213.80 and 27,018.32

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Solution

The fourth proportional to 42,918, 59,213.80 and 27,018.32 is: 37,277.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,918 : 59,213.80 = 27,018.32 : x
  2. Step 2: Convert to fraction form
    42,918/59,213.80 = 27,018.32/x
  3. Step 3: Cross multiply
    42,918x = 59,213.80 × 27,018.32
  4. Step 4: Simplify right side
    42,918x = 1,599,857,396.82
  5. Step 5: Solve for x
    x = 1,599,857,396.82/42,918
  6. Step 6: Final answer
    x = 37,277.07

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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.