Home / 47,485.15-71,107.16-28,497.84

Finding the Fourth Proportional to 47,485.15, 71,107.16 and 28,497.84

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Solution

The fourth proportional to 47,485.15, 71,107.16 and 28,497.84 is: 42,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,485.15 : 71,107.16 = 28,497.84 : x
  2. Step 2: Convert to fraction form
    47,485.15/71,107.16 = 28,497.84/x
  3. Step 3: Cross multiply
    47,485.15x = 71,107.16 × 28,497.84
  4. Step 4: Simplify right side
    47,485.15x = 2,026,400,184.24
  5. Step 5: Solve for x
    x = 2,026,400,184.24/47,485.15
  6. Step 6: Final answer
    x = 42,674.40

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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.