Home / 46,453.18-64,157.70-31,408.06

Finding the Fourth Proportional to 46,453.18, 64,157.70 and 31,408.06

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Solution

The fourth proportional to 46,453.18, 64,157.70 and 31,408.06 is: 43,378.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,453.18 : 64,157.70 = 31,408.06 : x
  2. Step 2: Convert to fraction form
    46,453.18/64,157.70 = 31,408.06/x
  3. Step 3: Cross multiply
    46,453.18x = 64,157.70 × 31,408.06
  4. Step 4: Simplify right side
    46,453.18x = 2,015,068,891.06
  5. Step 5: Solve for x
    x = 2,015,068,891.06/46,453.18
  6. Step 6: Final answer
    x = 43,378.49

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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.