Home / 49,973.34-74,980.79-21,878.93

Finding the Fourth Proportional to 49,973.34, 74,980.79 and 21,878.93

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Solution

The fourth proportional to 49,973.34, 74,980.79 and 21,878.93 is: 32,827.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,973.34 : 74,980.79 = 21,878.93 : x
  2. Step 2: Convert to fraction form
    49,973.34/74,980.79 = 21,878.93/x
  3. Step 3: Cross multiply
    49,973.34x = 74,980.79 × 21,878.93
  4. Step 4: Simplify right side
    49,973.34x = 1,640,498,971.46
  5. Step 5: Solve for x
    x = 1,640,498,971.46/49,973.34
  6. Step 6: Final answer
    x = 32,827.48

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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.