Home / 32,669.28-45,016.80-30,904.80

Finding the Fourth Proportional to 32,669.28, 45,016.80 and 30,904.80

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Solution

The fourth proportional to 32,669.28, 45,016.80 and 30,904.80 is: 42,585.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,669.28 : 45,016.80 = 30,904.80 : x
  2. Step 2: Convert to fraction form
    32,669.28/45,016.80 = 30,904.80/x
  3. Step 3: Cross multiply
    32,669.28x = 45,016.80 × 30,904.80
  4. Step 4: Simplify right side
    32,669.28x = 1,391,235,200.64
  5. Step 5: Solve for x
    x = 1,391,235,200.64/32,669.28
  6. Step 6: Final answer
    x = 42,585.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.