Home / 43,746.60-65,619.90-31,996.20

Finding the Fourth Proportional to 43,746.60, 65,619.90 and 31,996.20

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Solution

The fourth proportional to 43,746.60, 65,619.90 and 31,996.20 is: 47,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,746.60 : 65,619.90 = 31,996.20 : x
  2. Step 2: Convert to fraction form
    43,746.60/65,619.90 = 31,996.20/x
  3. Step 3: Cross multiply
    43,746.60x = 65,619.90 × 31,996.20
  4. Step 4: Simplify right side
    43,746.60x = 2,099,587,444.38
  5. Step 5: Solve for x
    x = 2,099,587,444.38/43,746.60
  6. Step 6: Final answer
    x = 47,994.30

Related Problems

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Double scale
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Similar ratio
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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.