Home / 71,190.74-98,243.39-38,927.45

Finding the Fourth Proportional to 71,190.74, 98,243.39 and 38,927.45

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Solution

The fourth proportional to 71,190.74, 98,243.39 and 38,927.45 is: 53,719.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,190.74 : 98,243.39 = 38,927.45 : x
  2. Step 2: Convert to fraction form
    71,190.74/98,243.39 = 38,927.45/x
  3. Step 3: Cross multiply
    71,190.74x = 98,243.39 × 38,927.45
  4. Step 4: Simplify right side
    71,190.74x = 3,824,364,994.98
  5. Step 5: Solve for x
    x = 3,824,364,994.98/71,190.74
  6. Step 6: Final answer
    x = 53,719.98

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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.