Home / 71,659.04-98,878.24-39,827.84

Finding the Fourth Proportional to 71,659.04, 98,878.24 and 39,827.84

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Solution

The fourth proportional to 71,659.04, 98,878.24 and 39,827.84 is: 54,956.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,659.04 : 98,878.24 = 39,827.84 : x
  2. Step 2: Convert to fraction form
    71,659.04/98,878.24 = 39,827.84/x
  3. Step 3: Cross multiply
    71,659.04x = 98,878.24 × 39,827.84
  4. Step 4: Simplify right side
    71,659.04x = 3,938,106,722.20
  5. Step 5: Solve for x
    x = 3,938,106,722.20/71,659.04
  6. Step 6: Final answer
    x = 54,956.17

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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.