Home / 30,703.92-46,077.75-13,178.76

Finding the Fourth Proportional to 30,703.92, 46,077.75 and 13,178.76

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Solution

The fourth proportional to 30,703.92, 46,077.75 and 13,178.76 is: 19,777.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,703.92 : 46,077.75 = 13,178.76 : x
  2. Step 2: Convert to fraction form
    30,703.92/46,077.75 = 13,178.76/x
  3. Step 3: Cross multiply
    30,703.92x = 46,077.75 × 13,178.76
  4. Step 4: Simplify right side
    30,703.92x = 607,247,608.59
  5. Step 5: Solve for x
    x = 607,247,608.59/30,703.92
  6. Step 6: Final answer
    x = 19,777.53

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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.