Home / 30,926.48-46,379.16-10,145.20

Finding the Fourth Proportional to 30,926.48, 46,379.16 and 10,145.20

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Solution

The fourth proportional to 30,926.48, 46,379.16 and 10,145.20 is: 15,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,926.48 : 46,379.16 = 10,145.20 : x
  2. Step 2: Convert to fraction form
    30,926.48/46,379.16 = 10,145.20/x
  3. Step 3: Cross multiply
    30,926.48x = 46,379.16 × 10,145.20
  4. Step 4: Simplify right side
    30,926.48x = 470,525,854.03
  5. Step 5: Solve for x
    x = 470,525,854.03/30,926.48
  6. Step 6: Final answer
    x = 15,214.34

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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.