Home / 30,139.30-41,592.54-16,710.76

Finding the Fourth Proportional to 30,139.30, 41,592.54 and 16,710.76

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Solution

The fourth proportional to 30,139.30, 41,592.54 and 16,710.76 is: 23,061.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,139.30 : 41,592.54 = 16,710.76 : x
  2. Step 2: Convert to fraction form
    30,139.30/41,592.54 = 16,710.76/x
  3. Step 3: Cross multiply
    30,139.30x = 41,592.54 × 16,710.76
  4. Step 4: Simplify right side
    30,139.30x = 695,042,953.73
  5. Step 5: Solve for x
    x = 695,042,953.73/30,139.30
  6. Step 6: Final answer
    x = 23,061.02

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Double scale
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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.