Home / 30,671.42-42,325.58-17,243.24

Finding the Fourth Proportional to 30,671.42, 42,325.58 and 17,243.24

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Solution

The fourth proportional to 30,671.42, 42,325.58 and 17,243.24 is: 23,795.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,671.42 : 42,325.58 = 17,243.24 : x
  2. Step 2: Convert to fraction form
    30,671.42/42,325.58 = 17,243.24/x
  3. Step 3: Cross multiply
    30,671.42x = 42,325.58 × 17,243.24
  4. Step 4: Simplify right side
    30,671.42x = 729,830,134.08
  5. Step 5: Solve for x
    x = 729,830,134.08/30,671.42
  6. Step 6: Final answer
    x = 23,795.12

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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.