Home / 35,720.04-49,283.88-21,374.07

Finding the Fourth Proportional to 35,720.04, 49,283.88 and 21,374.07

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Solution

The fourth proportional to 35,720.04, 49,283.88 and 21,374.07 is: 29,490.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,720.04 : 49,283.88 = 21,374.07 : x
  2. Step 2: Convert to fraction form
    35,720.04/49,283.88 = 21,374.07/x
  3. Step 3: Cross multiply
    35,720.04x = 49,283.88 × 21,374.07
  4. Step 4: Simplify right side
    35,720.04x = 1,053,397,100.99
  5. Step 5: Solve for x
    x = 1,053,397,100.99/35,720.04
  6. Step 6: Final answer
    x = 29,490.37

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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.