Home / 31,284.29-46,926.42-12,564.32

Finding the Fourth Proportional to 31,284.29, 46,926.42 and 12,564.32

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Solution

The fourth proportional to 31,284.29, 46,926.42 and 12,564.32 is: 18,846.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,284.29 : 46,926.42 = 12,564.32 : x
  2. Step 2: Convert to fraction form
    31,284.29/46,926.42 = 12,564.32/x
  3. Step 3: Cross multiply
    31,284.29x = 46,926.42 × 12,564.32
  4. Step 4: Simplify right side
    31,284.29x = 589,598,804.95
  5. Step 5: Solve for x
    x = 589,598,804.95/31,284.29
  6. Step 6: Final answer
    x = 18,846.48

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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.