Home / 31,119.71-46,674.03-12,398.18

Finding the Fourth Proportional to 31,119.71, 46,674.03 and 12,398.18

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Solution

The fourth proportional to 31,119.71, 46,674.03 and 12,398.18 is: 18,595.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,119.71 : 46,674.03 = 12,398.18 : x
  2. Step 2: Convert to fraction form
    31,119.71/46,674.03 = 12,398.18/x
  3. Step 3: Cross multiply
    31,119.71x = 46,674.03 × 12,398.18
  4. Step 4: Simplify right side
    31,119.71x = 578,673,025.27
  5. Step 5: Solve for x
    x = 578,673,025.27/31,119.71
  6. Step 6: Final answer
    x = 18,595.06

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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.