Home / 69,070.51-95,309.59-38,855.21

Finding the Fourth Proportional to 69,070.51, 95,309.59 and 38,855.21

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Solution

The fourth proportional to 69,070.51, 95,309.59 and 38,855.21 is: 53,615.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,070.51 : 95,309.59 = 38,855.21 : x
  2. Step 2: Convert to fraction form
    69,070.51/95,309.59 = 38,855.21/x
  3. Step 3: Cross multiply
    69,070.51x = 95,309.59 × 38,855.21
  4. Step 4: Simplify right side
    69,070.51x = 3,703,274,060.47
  5. Step 5: Solve for x
    x = 3,703,274,060.47/69,070.51
  6. Step 6: Final answer
    x = 53,615.85

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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.