Home / 51,110.06-70,531.89-28,448.57

Finding the Fourth Proportional to 51,110.06, 70,531.89 and 28,448.57

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Solution

The fourth proportional to 51,110.06, 70,531.89 and 28,448.57 is: 39,259.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,110.06 : 70,531.89 = 28,448.57 : x
  2. Step 2: Convert to fraction form
    51,110.06/70,531.89 = 28,448.57/x
  3. Step 3: Cross multiply
    51,110.06x = 70,531.89 × 28,448.57
  4. Step 4: Simplify right side
    51,110.06x = 2,006,531,409.90
  5. Step 5: Solve for x
    x = 2,006,531,409.90/51,110.06
  6. Step 6: Final answer
    x = 39,259.03

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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.