Home / 31,242.04-46,871.26-11,520.77

Finding the Fourth Proportional to 31,242.04, 46,871.26 and 11,520.77

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Solution

The fourth proportional to 31,242.04, 46,871.26 and 11,520.77 is: 17,284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,242.04 : 46,871.26 = 11,520.77 : x
  2. Step 2: Convert to fraction form
    31,242.04/46,871.26 = 11,520.77/x
  3. Step 3: Cross multiply
    31,242.04x = 46,871.26 × 11,520.77
  4. Step 4: Simplify right side
    31,242.04x = 539,992,742.91
  5. Step 5: Solve for x
    x = 539,992,742.91/31,242.04
  6. Step 6: Final answer
    x = 17,284.17

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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.