Home / 86,497.50-129,804.48-30,338.14

Finding the Fourth Proportional to 86,497.50, 129,804.48 and 30,338.14

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Solution

The fourth proportional to 86,497.50, 129,804.48 and 30,338.14 is: 45,527.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,497.50 : 129,804.48 = 30,338.14 : x
  2. Step 2: Convert to fraction form
    86,497.50/129,804.48 = 30,338.14/x
  3. Step 3: Cross multiply
    86,497.50x = 129,804.48 × 30,338.14
  4. Step 4: Simplify right side
    86,497.50x = 3,938,026,486.87
  5. Step 5: Solve for x
    x = 3,938,026,486.87/86,497.50
  6. Step 6: Final answer
    x = 45,527.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.