Home / 30,977.93-46,440.77-13,434.54

Finding the Fourth Proportional to 30,977.93, 46,440.77 and 13,434.54

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Solution

The fourth proportional to 30,977.93, 46,440.77 and 13,434.54 is: 20,140.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,977.93 : 46,440.77 = 13,434.54 : x
  2. Step 2: Convert to fraction form
    30,977.93/46,440.77 = 13,434.54/x
  3. Step 3: Cross multiply
    30,977.93x = 46,440.77 × 13,434.54
  4. Step 4: Simplify right side
    30,977.93x = 623,910,315.02
  5. Step 5: Solve for x
    x = 623,910,315.02/30,977.93
  6. Step 6: Final answer
    x = 20,140.48

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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.