Home / 20,361.17-30,534.26-7,030.79

Finding the Fourth Proportional to 20,361.17, 30,534.26 and 7,030.79

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Solution

The fourth proportional to 20,361.17, 30,534.26 and 7,030.79 is: 10,543.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,361.17 : 30,534.26 = 7,030.79 : x
  2. Step 2: Convert to fraction form
    20,361.17/30,534.26 = 7,030.79/x
  3. Step 3: Cross multiply
    20,361.17x = 30,534.26 × 7,030.79
  4. Step 4: Simplify right side
    20,361.17x = 214,679,817.19
  5. Step 5: Solve for x
    x = 214,679,817.19/20,361.17
  6. Step 6: Final answer
    x = 10,543.59

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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.