Home / 40,834.55-61,153.40-40,539.31

Finding the Fourth Proportional to 40,834.55, 61,153.40 and 40,539.31

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Solution

The fourth proportional to 40,834.55, 61,153.40 and 40,539.31 is: 60,711.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,834.55 : 61,153.40 = 40,539.31 : x
  2. Step 2: Convert to fraction form
    40,834.55/61,153.40 = 40,539.31/x
  3. Step 3: Cross multiply
    40,834.55x = 61,153.40 × 40,539.31
  4. Step 4: Simplify right side
    40,834.55x = 2,479,116,588.62
  5. Step 5: Solve for x
    x = 2,479,116,588.62/40,834.55
  6. Step 6: Final answer
    x = 60,711.25

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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.