Home / 42,185.08-63,295.08-18,480.38

Finding the Fourth Proportional to 42,185.08, 63,295.08 and 18,480.38

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Solution

The fourth proportional to 42,185.08, 63,295.08 and 18,480.38 is: 27,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,185.08 : 63,295.08 = 18,480.38 : x
  2. Step 2: Convert to fraction form
    42,185.08/63,295.08 = 18,480.38/x
  3. Step 3: Cross multiply
    42,185.08x = 63,295.08 × 18,480.38
  4. Step 4: Simplify right side
    42,185.08x = 1,169,717,130.53
  5. Step 5: Solve for x
    x = 1,169,717,130.53/42,185.08
  6. Step 6: Final answer
    x = 27,728.22

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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.