Home / 56,713.84-78,262.41-31,219.68

Finding the Fourth Proportional to 56,713.84, 78,262.41 and 31,219.68

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Solution

The fourth proportional to 56,713.84, 78,262.41 and 31,219.68 is: 43,081.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,713.84 : 78,262.41 = 31,219.68 : x
  2. Step 2: Convert to fraction form
    56,713.84/78,262.41 = 31,219.68/x
  3. Step 3: Cross multiply
    56,713.84x = 78,262.41 × 31,219.68
  4. Step 4: Simplify right side
    56,713.84x = 2,443,327,396.23
  5. Step 5: Solve for x
    x = 2,443,327,396.23/56,713.84
  6. Step 6: Final answer
    x = 43,081.68

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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.