Home / 42,675.04-64,005.27-11,503

Finding the Fourth Proportional to 42,675.04, 64,005.27 and 11,503

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Solution

The fourth proportional to 42,675.04, 64,005.27 and 11,503 is: 17,252.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,675.04 : 64,005.27 = 11,503 : x
  2. Step 2: Convert to fraction form
    42,675.04/64,005.27 = 11,503/x
  3. Step 3: Cross multiply
    42,675.04x = 64,005.27 × 11,503
  4. Step 4: Simplify right side
    42,675.04x = 736,252,620.81
  5. Step 5: Solve for x
    x = 736,252,620.81/42,675.04
  6. Step 6: Final answer
    x = 17,252.53

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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.