Home / 42,992.55-64,489.23-13,007.03

Finding the Fourth Proportional to 42,992.55, 64,489.23 and 13,007.03

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Solution

The fourth proportional to 42,992.55, 64,489.23 and 13,007.03 is: 19,510.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,992.55 : 64,489.23 = 13,007.03 : x
  2. Step 2: Convert to fraction form
    42,992.55/64,489.23 = 13,007.03/x
  3. Step 3: Cross multiply
    42,992.55x = 64,489.23 × 13,007.03
  4. Step 4: Simplify right side
    42,992.55x = 838,813,026.84
  5. Step 5: Solve for x
    x = 838,813,026.84/42,992.55
  6. Step 6: Final answer
    x = 19,510.66

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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.