Home / 56,736.19-78,295.28-31,242.03

Finding the Fourth Proportional to 56,736.19, 78,295.28 and 31,242.03

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Solution

The fourth proportional to 56,736.19, 78,295.28 and 31,242.03 is: 43,113.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,736.19 : 78,295.28 = 31,242.03 : x
  2. Step 2: Convert to fraction form
    56,736.19/78,295.28 = 31,242.03/x
  3. Step 3: Cross multiply
    56,736.19x = 78,295.28 × 31,242.03
  4. Step 4: Simplify right side
    56,736.19x = 2,446,103,486.62
  5. Step 5: Solve for x
    x = 2,446,103,486.62/56,736.19
  6. Step 6: Final answer
    x = 43,113.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.