Home / 30,774.06-42,468.18-16,626.90

Finding the Fourth Proportional to 30,774.06, 42,468.18 and 16,626.90

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Solution

The fourth proportional to 30,774.06, 42,468.18 and 16,626.90 is: 22,945.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,774.06 : 42,468.18 = 16,626.90 : x
  2. Step 2: Convert to fraction form
    30,774.06/42,468.18 = 16,626.90/x
  3. Step 3: Cross multiply
    30,774.06x = 42,468.18 × 16,626.90
  4. Step 4: Simplify right side
    30,774.06x = 706,114,182.04
  5. Step 5: Solve for x
    x = 706,114,182.04/30,774.06
  6. Step 6: Final answer
    x = 22,945.11

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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.