Home / 34,216.96-47,209.08-19,874.02

Finding the Fourth Proportional to 34,216.96, 47,209.08 and 19,874.02

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Solution

The fourth proportional to 34,216.96, 47,209.08 and 19,874.02 is: 27,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,216.96 : 47,209.08 = 19,874.02 : x
  2. Step 2: Convert to fraction form
    34,216.96/47,209.08 = 19,874.02/x
  3. Step 3: Cross multiply
    34,216.96x = 47,209.08 × 19,874.02
  4. Step 4: Simplify right side
    34,216.96x = 938,234,200.10
  5. Step 5: Solve for x
    x = 938,234,200.10/34,216.96
  6. Step 6: Final answer
    x = 27,420.15

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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.