Home / 35,828.64-49,447.53-21,681.18

Finding the Fourth Proportional to 35,828.64, 49,447.53 and 21,681.18

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Solution

The fourth proportional to 35,828.64, 49,447.53 and 21,681.18 is: 29,922.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,828.64 : 49,447.53 = 21,681.18 : x
  2. Step 2: Convert to fraction form
    35,828.64/49,447.53 = 21,681.18/x
  3. Step 3: Cross multiply
    35,828.64x = 49,447.53 × 21,681.18
  4. Step 4: Simplify right side
    35,828.64x = 1,072,080,798.49
  5. Step 5: Solve for x
    x = 1,072,080,798.49/35,828.64
  6. Step 6: Final answer
    x = 29,922.45

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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.