Home / 55,578.34-76,690.96-31,703.59

Finding the Fourth Proportional to 55,578.34, 76,690.96 and 31,703.59

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Solution

The fourth proportional to 55,578.34, 76,690.96 and 31,703.59 is: 43,746.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,578.34 : 76,690.96 = 31,703.59 : x
  2. Step 2: Convert to fraction form
    55,578.34/76,690.96 = 31,703.59/x
  3. Step 3: Cross multiply
    55,578.34x = 76,690.96 × 31,703.59
  4. Step 4: Simplify right side
    55,578.34x = 2,431,378,752.55
  5. Step 5: Solve for x
    x = 2,431,378,752.55/55,578.34
  6. Step 6: Final answer
    x = 43,746.88

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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.