Home / 30,299.74-45,434.41-17,653.59

Finding the Fourth Proportional to 30,299.74, 45,434.41 and 17,653.59

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Solution

The fourth proportional to 30,299.74, 45,434.41 and 17,653.59 is: 26,471.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299.74 : 45,434.41 = 17,653.59 : x
  2. Step 2: Convert to fraction form
    30,299.74/45,434.41 = 17,653.59/x
  3. Step 3: Cross multiply
    30,299.74x = 45,434.41 × 17,653.59
  4. Step 4: Simplify right side
    30,299.74x = 802,080,471.35
  5. Step 5: Solve for x
    x = 802,080,471.35/30,299.74
  6. Step 6: Final answer
    x = 26,471.53

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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.