Home / 30,330.16-41,854.29-16,902.88

Finding the Fourth Proportional to 30,330.16, 41,854.29 and 16,902.88

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Solution

The fourth proportional to 30,330.16, 41,854.29 and 16,902.88 is: 23,325.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330.16 : 41,854.29 = 16,902.88 : x
  2. Step 2: Convert to fraction form
    30,330.16/41,854.29 = 16,902.88/x
  3. Step 3: Cross multiply
    30,330.16x = 41,854.29 × 16,902.88
  4. Step 4: Simplify right side
    30,330.16x = 707,458,041.36
  5. Step 5: Solve for x
    x = 707,458,041.36/30,330.16
  6. Step 6: Final answer
    x = 23,325.23

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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.