Home / 47,742.30-71,617.09-14,465.12

Finding the Fourth Proportional to 47,742.30, 71,617.09 and 14,465.12

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Solution

The fourth proportional to 47,742.30, 71,617.09 and 14,465.12 is: 21,698.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,742.30 : 71,617.09 = 14,465.12 : x
  2. Step 2: Convert to fraction form
    47,742.30/71,617.09 = 14,465.12/x
  3. Step 3: Cross multiply
    47,742.30x = 71,617.09 × 14,465.12
  4. Step 4: Simplify right side
    47,742.30x = 1,035,949,800.90
  5. Step 5: Solve for x
    x = 1,035,949,800.90/47,742.30
  6. Step 6: Final answer
    x = 21,698.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.