Home / 30,474.62-42,054.67-17,045.72

Finding the Fourth Proportional to 30,474.62, 42,054.67 and 17,045.72

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Solution

The fourth proportional to 30,474.62, 42,054.67 and 17,045.72 is: 23,522.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,474.62 : 42,054.67 = 17,045.72 : x
  2. Step 2: Convert to fraction form
    30,474.62/42,054.67 = 17,045.72/x
  3. Step 3: Cross multiply
    30,474.62x = 42,054.67 × 17,045.72
  4. Step 4: Simplify right side
    30,474.62x = 716,851,876.62
  5. Step 5: Solve for x
    x = 716,851,876.62/30,474.62
  6. Step 6: Final answer
    x = 23,522.92

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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.