Home / 55,356.46-76,392.09-31,484.80

Finding the Fourth Proportional to 55,356.46, 76,392.09 and 31,484.80

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Solution

The fourth proportional to 55,356.46, 76,392.09 and 31,484.80 is: 43,449.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,356.46 : 76,392.09 = 31,484.80 : x
  2. Step 2: Convert to fraction form
    55,356.46/76,392.09 = 31,484.80/x
  3. Step 3: Cross multiply
    55,356.46x = 76,392.09 × 31,484.80
  4. Step 4: Simplify right side
    55,356.46x = 2,405,189,675.23
  5. Step 5: Solve for x
    x = 2,405,189,675.23/55,356.46
  6. Step 6: Final answer
    x = 43,449.12

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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.