Home / 56,846.25-78,446.73-31,354.92

Finding the Fourth Proportional to 56,846.25, 78,446.73 and 31,354.92

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Solution

The fourth proportional to 56,846.25, 78,446.73 and 31,354.92 is: 43,269.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,846.25 : 78,446.73 = 31,354.92 : x
  2. Step 2: Convert to fraction form
    56,846.25/78,446.73 = 31,354.92/x
  3. Step 3: Cross multiply
    56,846.25x = 78,446.73 × 31,354.92
  4. Step 4: Simplify right side
    56,846.25x = 2,459,690,943.41
  5. Step 5: Solve for x
    x = 2,459,690,943.41/56,846.25
  6. Step 6: Final answer
    x = 43,269.19

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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.