Home / 30,957.09-46,429.47-15,155.34

Finding the Fourth Proportional to 30,957.09, 46,429.47 and 15,155.34

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Solution

The fourth proportional to 30,957.09, 46,429.47 and 15,155.34 is: 22,729.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,957.09 : 46,429.47 = 15,155.34 : x
  2. Step 2: Convert to fraction form
    30,957.09/46,429.47 = 15,155.34/x
  3. Step 3: Cross multiply
    30,957.09x = 46,429.47 × 15,155.34
  4. Step 4: Simplify right side
    30,957.09x = 703,654,403.87
  5. Step 5: Solve for x
    x = 703,654,403.87/30,957.09
  6. Step 6: Final answer
    x = 22,729.99

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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.