Home / 56,042.60-84,063.74-18,605.51

Finding the Fourth Proportional to 56,042.60, 84,063.74 and 18,605.51

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Solution

The fourth proportional to 56,042.60, 84,063.74 and 18,605.51 is: 27,908.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,042.60 : 84,063.74 = 18,605.51 : x
  2. Step 2: Convert to fraction form
    56,042.60/84,063.74 = 18,605.51/x
  3. Step 3: Cross multiply
    56,042.60x = 84,063.74 × 18,605.51
  4. Step 4: Simplify right side
    56,042.60x = 1,564,048,557.10
  5. Step 5: Solve for x
    x = 1,564,048,557.10/56,042.60
  6. Step 6: Final answer
    x = 27,908.21

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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.