Home / 34,410-47,500.37-20,986.07

Finding the Fourth Proportional to 34,410, 47,500.37 and 20,986.07

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Solution

The fourth proportional to 34,410, 47,500.37 and 20,986.07 is: 28,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,410 : 47,500.37 = 20,986.07 : x
  2. Step 2: Convert to fraction form
    34,410/47,500.37 = 20,986.07/x
  3. Step 3: Cross multiply
    34,410x = 47,500.37 × 20,986.07
  4. Step 4: Simplify right side
    34,410x = 996,845,747.41
  5. Step 5: Solve for x
    x = 996,845,747.41/34,410
  6. Step 6: Final answer
    x = 28,969.65

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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.