Home / 30,968.64-46,459.68-10,191.36

Finding the Fourth Proportional to 30,968.64, 46,459.68 and 10,191.36

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Solution

The fourth proportional to 30,968.64, 46,459.68 and 10,191.36 is: 15,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,968.64 : 46,459.68 = 10,191.36 : x
  2. Step 2: Convert to fraction form
    30,968.64/46,459.68 = 10,191.36/x
  3. Step 3: Cross multiply
    30,968.64x = 46,459.68 × 10,191.36
  4. Step 4: Simplify right side
    30,968.64x = 473,487,324.36
  5. Step 5: Solve for x
    x = 473,487,324.36/30,968.64
  6. Step 6: Final answer
    x = 15,289.25

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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.