Home / 35,085,428.95-48,432,800.25-21,861,139.61

Finding the Fourth Proportional to 35,085,428.95, 48,432,800.25 and 21,861,139.61

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Solution

The fourth proportional to 35,085,428.95, 48,432,800.25 and 21,861,139.61 is: 30,177,661.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,085,428.95 : 48,432,800.25 = 21,861,139.61 : x
  2. Step 2: Convert to fraction form
    35,085,428.95/48,432,800.25 = 21,861,139.61/x
  3. Step 3: Cross multiply
    35,085,428.95x = 48,432,800.25 × 21,861,139.61
  4. Step 4: Simplify right side
    35,085,428.95x = 1,058,796,207,704,890.62
  5. Step 5: Solve for x
    x = 1,058,796,207,704,890.62/35,085,428.95
  6. Step 6: Final answer
    x = 30,177,661.76

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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.