Home / 45,004.52-67,455.34-28,145.18

Finding the Fourth Proportional to 45,004.52, 67,455.34 and 28,145.18

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Solution

The fourth proportional to 45,004.52, 67,455.34 and 28,145.18 is: 42,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,004.52 : 67,455.34 = 28,145.18 : x
  2. Step 2: Convert to fraction form
    45,004.52/67,455.34 = 28,145.18/x
  3. Step 3: Cross multiply
    45,004.52x = 67,455.34 × 28,145.18
  4. Step 4: Simplify right side
    45,004.52x = 1,898,542,686.26
  5. Step 5: Solve for x
    x = 1,898,542,686.26/45,004.52
  6. Step 6: Final answer
    x = 42,185.60

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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.