Home / 42,736.68-64,102.59-11,569.50

Finding the Fourth Proportional to 42,736.68, 64,102.59 and 11,569.50

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Solution

The fourth proportional to 42,736.68, 64,102.59 and 11,569.50 is: 17,353.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,736.68 : 64,102.59 = 11,569.50 : x
  2. Step 2: Convert to fraction form
    42,736.68/64,102.59 = 11,569.50/x
  3. Step 3: Cross multiply
    42,736.68x = 64,102.59 × 11,569.50
  4. Step 4: Simplify right side
    42,736.68x = 741,634,915.01
  5. Step 5: Solve for x
    x = 741,634,915.01/42,736.68
  6. Step 6: Final answer
    x = 17,353.59

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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.