Home / 30,931.14-46,403.52-13,160.85

Finding the Fourth Proportional to 30,931.14, 46,403.52 and 13,160.85

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Solution

The fourth proportional to 30,931.14, 46,403.52 and 13,160.85 is: 19,744.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,931.14 : 46,403.52 = 13,160.85 : x
  2. Step 2: Convert to fraction form
    30,931.14/46,403.52 = 13,160.85/x
  3. Step 3: Cross multiply
    30,931.14x = 46,403.52 × 13,160.85
  4. Step 4: Simplify right side
    30,931.14x = 610,709,766.19
  5. Step 5: Solve for x
    x = 610,709,766.19/30,931.14
  6. Step 6: Final answer
    x = 19,744.17

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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.