Home / 30,196.47-45,309.75-13,568.38

Finding the Fourth Proportional to 30,196.47, 45,309.75 and 13,568.38

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Solution

The fourth proportional to 30,196.47, 45,309.75 and 13,568.38 is: 20,359.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,196.47 : 45,309.75 = 13,568.38 : x
  2. Step 2: Convert to fraction form
    30,196.47/45,309.75 = 13,568.38/x
  3. Step 3: Cross multiply
    30,196.47x = 45,309.75 × 13,568.38
  4. Step 4: Simplify right side
    30,196.47x = 614,779,905.71
  5. Step 5: Solve for x
    x = 614,779,905.71/30,196.47
  6. Step 6: Final answer
    x = 20,359.33

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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.