Home / 31,284.96-46,929.50-12,562.57

Finding the Fourth Proportional to 31,284.96, 46,929.50 and 12,562.57

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Solution

The fourth proportional to 31,284.96, 46,929.50 and 12,562.57 is: 18,844.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,284.96 : 46,929.50 = 12,562.57 : x
  2. Step 2: Convert to fraction form
    31,284.96/46,929.50 = 12,562.57/x
  3. Step 3: Cross multiply
    31,284.96x = 46,929.50 × 12,562.57
  4. Step 4: Simplify right side
    31,284.96x = 589,555,075.12
  5. Step 5: Solve for x
    x = 589,555,075.12/31,284.96
  6. Step 6: Final answer
    x = 18,844.68

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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.