Home / 42,530.29-63,802.30-12,941.16

Finding the Fourth Proportional to 42,530.29, 63,802.30 and 12,941.16

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Solution

The fourth proportional to 42,530.29, 63,802.30 and 12,941.16 is: 19,413.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,530.29 : 63,802.30 = 12,941.16 : x
  2. Step 2: Convert to fraction form
    42,530.29/63,802.30 = 12,941.16/x
  3. Step 3: Cross multiply
    42,530.29x = 63,802.30 × 12,941.16
  4. Step 4: Simplify right side
    42,530.29x = 825,675,740.32
  5. Step 5: Solve for x
    x = 825,675,740.32/42,530.29
  6. Step 6: Final answer
    x = 19,413.83

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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.