Home / 71,045.04-98,039.25-39,213.51

Finding the Fourth Proportional to 71,045.04, 98,039.25 and 39,213.51

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Solution

The fourth proportional to 71,045.04, 98,039.25 and 39,213.51 is: 54,113.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,045.04 : 98,039.25 = 39,213.51 : x
  2. Step 2: Convert to fraction form
    71,045.04/98,039.25 = 39,213.51/x
  3. Step 3: Cross multiply
    71,045.04x = 98,039.25 × 39,213.51
  4. Step 4: Simplify right side
    71,045.04x = 3,844,463,110.27
  5. Step 5: Solve for x
    x = 3,844,463,110.27/71,045.04
  6. Step 6: Final answer
    x = 54,113.04

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1.5x scale

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.