Home / 56,206.17-84,290.63-18,755.82

Finding the Fourth Proportional to 56,206.17, 84,290.63 and 18,755.82

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Solution

The fourth proportional to 56,206.17, 84,290.63 and 18,755.82 is: 28,127.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,206.17 : 84,290.63 = 18,755.82 : x
  2. Step 2: Convert to fraction form
    56,206.17/84,290.63 = 18,755.82/x
  3. Step 3: Cross multiply
    56,206.17x = 84,290.63 × 18,755.82
  4. Step 4: Simplify right side
    56,206.17x = 1,580,939,790.19
  5. Step 5: Solve for x
    x = 1,580,939,790.19/56,206.17
  6. Step 6: Final answer
    x = 28,127.51

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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.