Home / 40,153.02-60,239.10-13,857.99

Finding the Fourth Proportional to 40,153.02, 60,239.10 and 13,857.99

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Solution

The fourth proportional to 40,153.02, 60,239.10 and 13,857.99 is: 20,790.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,153.02 : 60,239.10 = 13,857.99 : x
  2. Step 2: Convert to fraction form
    40,153.02/60,239.10 = 13,857.99/x
  3. Step 3: Cross multiply
    40,153.02x = 60,239.10 × 13,857.99
  4. Step 4: Simplify right side
    40,153.02x = 834,792,845.41
  5. Step 5: Solve for x
    x = 834,792,845.41/40,153.02
  6. Step 6: Final answer
    x = 20,790.29

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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.