Home / 30,416.13-45,528.62-19,335.33

Finding the Fourth Proportional to 30,416.13, 45,528.62 and 19,335.33

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Solution

The fourth proportional to 30,416.13, 45,528.62 and 19,335.33 is: 28,942.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,416.13 : 45,528.62 = 19,335.33 : x
  2. Step 2: Convert to fraction form
    30,416.13/45,528.62 = 19,335.33/x
  3. Step 3: Cross multiply
    30,416.13x = 45,528.62 × 19,335.33
  4. Step 4: Simplify right side
    30,416.13x = 880,310,795.47
  5. Step 5: Solve for x
    x = 880,310,795.47/30,416.13
  6. Step 6: Final answer
    x = 28,942.24

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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.