Home / 49,579.06-74,343.06-19,988.95

Finding the Fourth Proportional to 49,579.06, 74,343.06 and 19,988.95

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Solution

The fourth proportional to 49,579.06, 74,343.06 and 19,988.95 is: 29,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,579.06 : 74,343.06 = 19,988.95 : x
  2. Step 2: Convert to fraction form
    49,579.06/74,343.06 = 19,988.95/x
  3. Step 3: Cross multiply
    49,579.06x = 74,343.06 × 19,988.95
  4. Step 4: Simplify right side
    49,579.06x = 1,486,039,709.19
  5. Step 5: Solve for x
    x = 1,486,039,709.19/49,579.06
  6. Step 6: Final answer
    x = 29,973.13

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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.