Home / 56,735.51-78,294.30-31,241.33

Finding the Fourth Proportional to 56,735.51, 78,294.30 and 31,241.33

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Solution

The fourth proportional to 56,735.51, 78,294.30 and 31,241.33 is: 43,112.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,735.51 : 78,294.30 = 31,241.33 : x
  2. Step 2: Convert to fraction form
    56,735.51/78,294.30 = 31,241.33/x
  3. Step 3: Cross multiply
    56,735.51x = 78,294.30 × 31,241.33
  4. Step 4: Simplify right side
    56,735.51x = 2,446,017,848.40
  5. Step 5: Solve for x
    x = 2,446,017,848.40/56,735.51
  6. Step 6: Final answer
    x = 43,112.65

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1.5x scale

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.