Home / 30,659.72-45,989.88-16,801.16

Finding the Fourth Proportional to 30,659.72, 45,989.88 and 16,801.16

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Solution

The fourth proportional to 30,659.72, 45,989.88 and 16,801.16 is: 25,201.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,659.72 : 45,989.88 = 16,801.16 : x
  2. Step 2: Convert to fraction form
    30,659.72/45,989.88 = 16,801.16/x
  3. Step 3: Cross multiply
    30,659.72x = 45,989.88 × 16,801.16
  4. Step 4: Simplify right side
    30,659.72x = 772,683,332.26
  5. Step 5: Solve for x
    x = 772,683,332.26/30,659.72
  6. Step 6: Final answer
    x = 25,201.90

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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.