Home / 31,741.74-43,803.99-18,315.79

Finding the Fourth Proportional to 31,741.74, 43,803.99 and 18,315.79

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Solution

The fourth proportional to 31,741.74, 43,803.99 and 18,315.79 is: 25,276.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,741.74 : 43,803.99 = 18,315.79 : x
  2. Step 2: Convert to fraction form
    31,741.74/43,803.99 = 18,315.79/x
  3. Step 3: Cross multiply
    31,741.74x = 43,803.99 × 18,315.79
  4. Step 4: Simplify right side
    31,741.74x = 802,304,572.49
  5. Step 5: Solve for x
    x = 802,304,572.49/31,741.74
  6. Step 6: Final answer
    x = 25,276.01

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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.