Home / 51,888.33-71,607.56-30,380.19

Finding the Fourth Proportional to 51,888.33, 71,607.56 and 30,380.19

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Solution

The fourth proportional to 51,888.33, 71,607.56 and 30,380.19 is: 41,925.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,888.33 : 71,607.56 = 30,380.19 : x
  2. Step 2: Convert to fraction form
    51,888.33/71,607.56 = 30,380.19/x
  3. Step 3: Cross multiply
    51,888.33x = 71,607.56 × 30,380.19
  4. Step 4: Simplify right side
    51,888.33x = 2,175,451,126.34
  5. Step 5: Solve for x
    x = 2,175,451,126.34/51,888.33
  6. Step 6: Final answer
    x = 41,925.63

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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.