Home / 30,881.75-46,308.93-11,160.47

Finding the Fourth Proportional to 30,881.75, 46,308.93 and 11,160.47

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Solution

The fourth proportional to 30,881.75, 46,308.93 and 11,160.47 is: 16,735.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881.75 : 46,308.93 = 11,160.47 : x
  2. Step 2: Convert to fraction form
    30,881.75/46,308.93 = 11,160.47/x
  3. Step 3: Cross multiply
    30,881.75x = 46,308.93 × 11,160.47
  4. Step 4: Simplify right side
    30,881.75x = 516,829,192.45
  5. Step 5: Solve for x
    x = 516,829,192.45/30,881.75
  6. Step 6: Final answer
    x = 16,735.75

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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.