Home / 86,495.50-129,801.48-30,336.13

Finding the Fourth Proportional to 86,495.50, 129,801.48 and 30,336.13

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Solution

The fourth proportional to 86,495.50, 129,801.48 and 30,336.13 is: 45,524.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,495.50 : 129,801.48 = 30,336.13 : x
  2. Step 2: Convert to fraction form
    86,495.50/129,801.48 = 30,336.13/x
  3. Step 3: Cross multiply
    86,495.50x = 129,801.48 × 30,336.13
  4. Step 4: Simplify right side
    86,495.50x = 3,937,674,571.47
  5. Step 5: Solve for x
    x = 3,937,674,571.47/86,495.50
  6. Step 6: Final answer
    x = 45,524.62

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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.