Home / 43,746.60-65,619.90-40,830.60

Finding the Fourth Proportional to 43,746.60, 65,619.90 and 40,830.60

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Solution

The fourth proportional to 43,746.60, 65,619.90 and 40,830.60 is: 61,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,746.60 : 65,619.90 = 40,830.60 : x
  2. Step 2: Convert to fraction form
    43,746.60/65,619.90 = 40,830.60/x
  3. Step 3: Cross multiply
    43,746.60x = 65,619.90 × 40,830.60
  4. Step 4: Simplify right side
    43,746.60x = 2,679,299,888.94
  5. Step 5: Solve for x
    x = 2,679,299,888.94/43,746.60
  6. Step 6: Final answer
    x = 61,245.90

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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.