Home / 30,343.82-45,185.14-30,012.19

Finding the Fourth Proportional to 30,343.82, 45,185.14 and 30,012.19

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Solution

The fourth proportional to 30,343.82, 45,185.14 and 30,012.19 is: 44,691.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343.82 : 45,185.14 = 30,012.19 : x
  2. Step 2: Convert to fraction form
    30,343.82/45,185.14 = 30,012.19/x
  3. Step 3: Cross multiply
    30,343.82x = 45,185.14 × 30,012.19
  4. Step 4: Simplify right side
    30,343.82x = 1,356,104,931.41
  5. Step 5: Solve for x
    x = 1,356,104,931.41/30,343.82
  6. Step 6: Final answer
    x = 44,691.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.