Home / 43,931.60-65,897.40-11,099.60

Finding the Fourth Proportional to 43,931.60, 65,897.40 and 11,099.60

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Solution

The fourth proportional to 43,931.60, 65,897.40 and 11,099.60 is: 16,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,931.60 : 65,897.40 = 11,099.60 : x
  2. Step 2: Convert to fraction form
    43,931.60/65,897.40 = 11,099.60/x
  3. Step 3: Cross multiply
    43,931.60x = 65,897.40 × 11,099.60
  4. Step 4: Simplify right side
    43,931.60x = 731,434,781.04
  5. Step 5: Solve for x
    x = 731,434,781.04/43,931.60
  6. Step 6: Final answer
    x = 16,649.40

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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.