Home / 56,842.73-78,447.45-31,351.42

Finding the Fourth Proportional to 56,842.73, 78,447.45 and 31,351.42

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Solution

The fourth proportional to 56,842.73, 78,447.45 and 31,351.42 is: 43,267.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,842.73 : 78,447.45 = 31,351.42 : x
  2. Step 2: Convert to fraction form
    56,842.73/78,447.45 = 31,351.42/x
  3. Step 3: Cross multiply
    56,842.73x = 78,447.45 × 31,351.42
  4. Step 4: Simplify right side
    56,842.73x = 2,459,439,168.51
  5. Step 5: Solve for x
    x = 2,459,439,168.51/56,842.73
  6. Step 6: Final answer
    x = 43,267.44

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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.