Home / 34,583.14-47,717.13-20,428.66

Finding the Fourth Proportional to 34,583.14, 47,717.13 and 20,428.66

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Solution

The fourth proportional to 34,583.14, 47,717.13 and 20,428.66 is: 28,187.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,583.14 : 47,717.13 = 20,428.66 : x
  2. Step 2: Convert to fraction form
    34,583.14/47,717.13 = 20,428.66/x
  3. Step 3: Cross multiply
    34,583.14x = 47,717.13 × 20,428.66
  4. Step 4: Simplify right side
    34,583.14x = 974,797,024.95
  5. Step 5: Solve for x
    x = 974,797,024.95/34,583.14
  6. Step 6: Final answer
    x = 28,187.06

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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.