Home / 48,085.04-72,135.87-21,440.50

Finding the Fourth Proportional to 48,085.04, 72,135.87 and 21,440.50

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Solution

The fourth proportional to 48,085.04, 72,135.87 and 21,440.50 is: 32,164.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,085.04 : 72,135.87 = 21,440.50 : x
  2. Step 2: Convert to fraction form
    48,085.04/72,135.87 = 21,440.50/x
  3. Step 3: Cross multiply
    48,085.04x = 72,135.87 × 21,440.50
  4. Step 4: Simplify right side
    48,085.04x = 1,546,628,859.99
  5. Step 5: Solve for x
    x = 1,546,628,859.99/48,085.04
  6. Step 6: Final answer
    x = 32,164.45

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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.