Home / 36,981.16-51,033.94-21,065.60

Finding the Fourth Proportional to 36,981.16, 51,033.94 and 21,065.60

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Solution

The fourth proportional to 36,981.16, 51,033.94 and 21,065.60 is: 29,070.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,981.16 : 51,033.94 = 21,065.60 : x
  2. Step 2: Convert to fraction form
    36,981.16/51,033.94 = 21,065.60/x
  3. Step 3: Cross multiply
    36,981.16x = 51,033.94 × 21,065.60
  4. Step 4: Simplify right side
    36,981.16x = 1,075,060,566.46
  5. Step 5: Solve for x
    x = 1,075,060,566.46/36,981.16
  6. Step 6: Final answer
    x = 29,070.49

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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.