Home / 40,708.64-61,063.27-12,628.17

Finding the Fourth Proportional to 40,708.64, 61,063.27 and 12,628.17

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Solution

The fourth proportional to 40,708.64, 61,063.27 and 12,628.17 is: 18,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,708.64 : 61,063.27 = 12,628.17 : x
  2. Step 2: Convert to fraction form
    40,708.64/61,063.27 = 12,628.17/x
  3. Step 3: Cross multiply
    40,708.64x = 61,063.27 × 12,628.17
  4. Step 4: Simplify right side
    40,708.64x = 771,117,322.75
  5. Step 5: Solve for x
    x = 771,117,322.75/40,708.64
  6. Step 6: Final answer
    x = 18,942.35

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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.