Home / 31,138.81-46,733.12-16,356.44

Finding the Fourth Proportional to 31,138.81, 46,733.12 and 16,356.44

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Solution

The fourth proportional to 31,138.81, 46,733.12 and 16,356.44 is: 24,547.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,138.81 : 46,733.12 = 16,356.44 : x
  2. Step 2: Convert to fraction form
    31,138.81/46,733.12 = 16,356.44/x
  3. Step 3: Cross multiply
    31,138.81x = 46,733.12 × 16,356.44
  4. Step 4: Simplify right side
    31,138.81x = 764,387,473.29
  5. Step 5: Solve for x
    x = 764,387,473.29/31,138.81
  6. Step 6: Final answer
    x = 24,547.74

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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.