Home / 43,529.80-65,294.70-40,905.40

Finding the Fourth Proportional to 43,529.80, 65,294.70 and 40,905.40

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Solution

The fourth proportional to 43,529.80, 65,294.70 and 40,905.40 is: 61,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,529.80 : 65,294.70 = 40,905.40 : x
  2. Step 2: Convert to fraction form
    43,529.80/65,294.70 = 40,905.40/x
  3. Step 3: Cross multiply
    43,529.80x = 65,294.70 × 40,905.40
  4. Step 4: Simplify right side
    43,529.80x = 2,670,905,821.38
  5. Step 5: Solve for x
    x = 2,670,905,821.38/43,529.80
  6. Step 6: Final answer
    x = 61,358.10

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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.