Home / 30,167.12-45,277.08-16,138.32

Finding the Fourth Proportional to 30,167.12, 45,277.08 and 16,138.32

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Solution

The fourth proportional to 30,167.12, 45,277.08 and 16,138.32 is: 24,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,167.12 : 45,277.08 = 16,138.32 : x
  2. Step 2: Convert to fraction form
    30,167.12/45,277.08 = 16,138.32/x
  3. Step 3: Cross multiply
    30,167.12x = 45,277.08 × 16,138.32
  4. Step 4: Simplify right side
    30,167.12x = 730,696,005.71
  5. Step 5: Solve for x
    x = 730,696,005.71/30,167.12
  6. Step 6: Final answer
    x = 24,221.60

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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.