Home / 30,446.62-42,015.48-17,017.92

Finding the Fourth Proportional to 30,446.62, 42,015.48 and 17,017.92

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Solution

The fourth proportional to 30,446.62, 42,015.48 and 17,017.92 is: 23,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,446.62 : 42,015.48 = 17,017.92 : x
  2. Step 2: Convert to fraction form
    30,446.62/42,015.48 = 17,017.92/x
  3. Step 3: Cross multiply
    30,446.62x = 42,015.48 × 17,017.92
  4. Step 4: Simplify right side
    30,446.62x = 715,016,077.40
  5. Step 5: Solve for x
    x = 715,016,077.40/30,446.62
  6. Step 6: Final answer
    x = 23,484.25

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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.