Home / 43,635.51-65,453.13-12,470.76

Finding the Fourth Proportional to 43,635.51, 65,453.13 and 12,470.76

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Solution

The fourth proportional to 43,635.51, 65,453.13 and 12,470.76 is: 18,706.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,635.51 : 65,453.13 = 12,470.76 : x
  2. Step 2: Convert to fraction form
    43,635.51/65,453.13 = 12,470.76/x
  3. Step 3: Cross multiply
    43,635.51x = 65,453.13 × 12,470.76
  4. Step 4: Simplify right side
    43,635.51x = 816,250,275.48
  5. Step 5: Solve for x
    x = 816,250,275.48/43,635.51
  6. Step 6: Final answer
    x = 18,706.10

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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.