Home / 54,373.86-75,020.50-31,713.84

Finding the Fourth Proportional to 54,373.86, 75,020.50 and 31,713.84

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Solution

The fourth proportional to 54,373.86, 75,020.50 and 31,713.84 is: 43,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,373.86 : 75,020.50 = 31,713.84 : x
  2. Step 2: Convert to fraction form
    54,373.86/75,020.50 = 31,713.84/x
  3. Step 3: Cross multiply
    54,373.86x = 75,020.50 × 31,713.84
  4. Step 4: Simplify right side
    54,373.86x = 2,379,188,133.72
  5. Step 5: Solve for x
    x = 2,379,188,133.72/54,373.86
  6. Step 6: Final answer
    x = 43,756.10

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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.