Home / 30,823.42-42,538.57-17,395.85

Finding the Fourth Proportional to 30,823.42, 42,538.57 and 17,395.85

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Solution

The fourth proportional to 30,823.42, 42,538.57 and 17,395.85 is: 24,007.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,823.42 : 42,538.57 = 17,395.85 : x
  2. Step 2: Convert to fraction form
    30,823.42/42,538.57 = 17,395.85/x
  3. Step 3: Cross multiply
    30,823.42x = 42,538.57 × 17,395.85
  4. Step 4: Simplify right side
    30,823.42x = 739,994,283.26
  5. Step 5: Solve for x
    x = 739,994,283.26/30,823.42
  6. Step 6: Final answer
    x = 24,007.53

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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.