Home / 30,734.13-42,411.48-17,304.93

Finding the Fourth Proportional to 30,734.13, 42,411.48 and 17,304.93

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Solution

The fourth proportional to 30,734.13, 42,411.48 and 17,304.93 is: 23,879.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,734.13 : 42,411.48 = 17,304.93 : x
  2. Step 2: Convert to fraction form
    30,734.13/42,411.48 = 17,304.93/x
  3. Step 3: Cross multiply
    30,734.13x = 42,411.48 × 17,304.93
  4. Step 4: Simplify right side
    30,734.13x = 733,927,692.60
  5. Step 5: Solve for x
    x = 733,927,692.60/30,734.13
  6. Step 6: Final answer
    x = 23,879.89

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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.