Home / 31,015.77-46,539.06-12,295.41

Finding the Fourth Proportional to 31,015.77, 46,539.06 and 12,295.41

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Solution

The fourth proportional to 31,015.77, 46,539.06 and 12,295.41 is: 18,449.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,015.77 : 46,539.06 = 12,295.41 : x
  2. Step 2: Convert to fraction form
    31,015.77/46,539.06 = 12,295.41/x
  3. Step 3: Cross multiply
    31,015.77x = 46,539.06 × 12,295.41
  4. Step 4: Simplify right side
    31,015.77x = 572,216,823.71
  5. Step 5: Solve for x
    x = 572,216,823.71/31,015.77
  6. Step 6: Final answer
    x = 18,449.22

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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.