Home / 30,701.76-42,370.08-17,273.88

Finding the Fourth Proportional to 30,701.76, 42,370.08 and 17,273.88

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Solution

The fourth proportional to 30,701.76, 42,370.08 and 17,273.88 is: 23,838.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,701.76 : 42,370.08 = 17,273.88 : x
  2. Step 2: Convert to fraction form
    30,701.76/42,370.08 = 17,273.88/x
  3. Step 3: Cross multiply
    30,701.76x = 42,370.08 × 17,273.88
  4. Step 4: Simplify right side
    30,701.76x = 731,895,677.51
  5. Step 5: Solve for x
    x = 731,895,677.51/30,701.76
  6. Step 6: Final answer
    x = 23,838.88

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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.