Home / 56,771.29-78,344.40-32,911.82

Finding the Fourth Proportional to 56,771.29, 78,344.40 and 32,911.82

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Solution

The fourth proportional to 56,771.29, 78,344.40 and 32,911.82 is: 45,418.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,771.29 : 78,344.40 = 32,911.82 : x
  2. Step 2: Convert to fraction form
    56,771.29/78,344.40 = 32,911.82/x
  3. Step 3: Cross multiply
    56,771.29x = 78,344.40 × 32,911.82
  4. Step 4: Simplify right side
    56,771.29x = 2,578,456,790.81
  5. Step 5: Solve for x
    x = 2,578,456,790.81/56,771.29
  6. Step 6: Final answer
    x = 45,418.32

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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.