Home / 29,931.66-41,308.16-16,505.55

Finding the Fourth Proportional to 29,931.66, 41,308.16 and 16,505.55

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Solution

The fourth proportional to 29,931.66, 41,308.16 and 16,505.55 is: 22,779.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,931.66 : 41,308.16 = 16,505.55 : x
  2. Step 2: Convert to fraction form
    29,931.66/41,308.16 = 16,505.55/x
  3. Step 3: Cross multiply
    29,931.66x = 41,308.16 × 16,505.55
  4. Step 4: Simplify right side
    29,931.66x = 681,813,817.76
  5. Step 5: Solve for x
    x = 681,813,817.76/29,931.66
  6. Step 6: Final answer
    x = 22,779.02

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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.