Home / 43,818.88-65,744.56-31,437.76

Finding the Fourth Proportional to 43,818.88, 65,744.56 and 31,437.76

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Solution

The fourth proportional to 43,818.88, 65,744.56 and 31,437.76 is: 47,168.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,818.88 : 65,744.56 = 31,437.76 : x
  2. Step 2: Convert to fraction form
    43,818.88/65,744.56 = 31,437.76/x
  3. Step 3: Cross multiply
    43,818.88x = 65,744.56 × 31,437.76
  4. Step 4: Simplify right side
    43,818.88x = 2,066,861,698.59
  5. Step 5: Solve for x
    x = 2,066,861,698.59/43,818.88
  6. Step 6: Final answer
    x = 47,168.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.