Home / 30,762.90-42,451.92-17,333.91

Finding the Fourth Proportional to 30,762.90, 42,451.92 and 17,333.91

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Solution

The fourth proportional to 30,762.90, 42,451.92 and 17,333.91 is: 23,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,762.90 : 42,451.92 = 17,333.91 : x
  2. Step 2: Convert to fraction form
    30,762.90/42,451.92 = 17,333.91/x
  3. Step 3: Cross multiply
    30,762.90x = 42,451.92 × 17,333.91
  4. Step 4: Simplify right side
    30,762.90x = 735,857,760.61
  5. Step 5: Solve for x
    x = 735,857,760.61/30,762.90
  6. Step 6: Final answer
    x = 23,920.30

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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.