Home / 30,822.28-42,535.10-17,393.70

Finding the Fourth Proportional to 30,822.28, 42,535.10 and 17,393.70

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Solution

The fourth proportional to 30,822.28, 42,535.10 and 17,393.70 is: 24,003.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,822.28 : 42,535.10 = 17,393.70 : x
  2. Step 2: Convert to fraction form
    30,822.28/42,535.10 = 17,393.70/x
  3. Step 3: Cross multiply
    30,822.28x = 42,535.10 × 17,393.70
  4. Step 4: Simplify right side
    30,822.28x = 739,842,768.87
  5. Step 5: Solve for x
    x = 739,842,768.87/30,822.28
  6. Step 6: Final answer
    x = 24,003.51

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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.