Home / 52,840.98-72,929.81-40,136.22

Finding the Fourth Proportional to 52,840.98, 72,929.81 and 40,136.22

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Solution

The fourth proportional to 52,840.98, 72,929.81 and 40,136.22 is: 55,395.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,840.98 : 72,929.81 = 40,136.22 : x
  2. Step 2: Convert to fraction form
    52,840.98/72,929.81 = 40,136.22/x
  3. Step 3: Cross multiply
    52,840.98x = 72,929.81 × 40,136.22
  4. Step 4: Simplify right side
    52,840.98x = 2,927,126,819.41
  5. Step 5: Solve for x
    x = 2,927,126,819.41/52,840.98
  6. Step 6: Final answer
    x = 55,395.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.