Home / 30,725.36-46,088.60-13,195.36

Finding the Fourth Proportional to 30,725.36, 46,088.60 and 13,195.36

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Solution

The fourth proportional to 30,725.36, 46,088.60 and 13,195.36 is: 19,793.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,725.36 : 46,088.60 = 13,195.36 : x
  2. Step 2: Convert to fraction form
    30,725.36/46,088.60 = 13,195.36/x
  3. Step 3: Cross multiply
    30,725.36x = 46,088.60 × 13,195.36
  4. Step 4: Simplify right side
    30,725.36x = 608,155,668.90
  5. Step 5: Solve for x
    x = 608,155,668.90/30,725.36
  6. Step 6: Final answer
    x = 19,793.28

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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.