Home / 43,407.40-65,250.30-40,325.80

Finding the Fourth Proportional to 43,407.40, 65,250.30 and 40,325.80

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Solution

The fourth proportional to 43,407.40, 65,250.30 and 40,325.80 is: 60,618.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,407.40 : 65,250.30 = 40,325.80 : x
  2. Step 2: Convert to fraction form
    43,407.40/65,250.30 = 40,325.80/x
  3. Step 3: Cross multiply
    43,407.40x = 65,250.30 × 40,325.80
  4. Step 4: Simplify right side
    43,407.40x = 2,631,270,547.74
  5. Step 5: Solve for x
    x = 2,631,270,547.74/43,407.40
  6. Step 6: Final answer
    x = 60,618.02

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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.