Home / 42,675.32-64,005.24-11,503.28

Finding the Fourth Proportional to 42,675.32, 64,005.24 and 11,503.28

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Solution

The fourth proportional to 42,675.32, 64,005.24 and 11,503.28 is: 17,252.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,675.32 : 64,005.24 = 11,503.28 : x
  2. Step 2: Convert to fraction form
    42,675.32/64,005.24 = 11,503.28/x
  3. Step 3: Cross multiply
    42,675.32x = 64,005.24 × 11,503.28
  4. Step 4: Simplify right side
    42,675.32x = 736,270,197.19
  5. Step 5: Solve for x
    x = 736,270,197.19/42,675.32
  6. Step 6: Final answer
    x = 17,252.83

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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.