Home / 31,204.82-46,807.22-10,428.32

Finding the Fourth Proportional to 31,204.82, 46,807.22 and 10,428.32

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Solution

The fourth proportional to 31,204.82, 46,807.22 and 10,428.32 is: 15,642.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,204.82 : 46,807.22 = 10,428.32 : x
  2. Step 2: Convert to fraction form
    31,204.82/46,807.22 = 10,428.32/x
  3. Step 3: Cross multiply
    31,204.82x = 46,807.22 × 10,428.32
  4. Step 4: Simplify right side
    31,204.82x = 488,120,434.43
  5. Step 5: Solve for x
    x = 488,120,434.43/31,204.82
  6. Step 6: Final answer
    x = 15,642.47

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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.