Home / 34,390.17-47,459.67-20,059.20

Finding the Fourth Proportional to 34,390.17, 47,459.67 and 20,059.20

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Solution

The fourth proportional to 34,390.17, 47,459.67 and 20,059.20 is: 27,682.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,390.17 : 47,459.67 = 20,059.20 : x
  2. Step 2: Convert to fraction form
    34,390.17/47,459.67 = 20,059.20/x
  3. Step 3: Cross multiply
    34,390.17x = 47,459.67 × 20,059.20
  4. Step 4: Simplify right side
    34,390.17x = 952,003,012.46
  5. Step 5: Solve for x
    x = 952,003,012.46/34,390.17
  6. Step 6: Final answer
    x = 27,682.42

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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.