Home / 30,660.72-45,991.38-16,802.16

Finding the Fourth Proportional to 30,660.72, 45,991.38 and 16,802.16

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Solution

The fourth proportional to 30,660.72, 45,991.38 and 16,802.16 is: 25,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,660.72 : 45,991.38 = 16,802.16 : x
  2. Step 2: Convert to fraction form
    30,660.72/45,991.38 = 16,802.16/x
  3. Step 3: Cross multiply
    30,660.72x = 45,991.38 × 16,802.16
  4. Step 4: Simplify right side
    30,660.72x = 772,754,525.38
  5. Step 5: Solve for x
    x = 772,754,525.38/30,660.72
  6. Step 6: Final answer
    x = 25,203.40

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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.