Home / 30,337.05-45,505.58-15,574.80

Finding the Fourth Proportional to 30,337.05, 45,505.58 and 15,574.80

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Solution

The fourth proportional to 30,337.05, 45,505.58 and 15,574.80 is: 23,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,337.05 : 45,505.58 = 15,574.80 : x
  2. Step 2: Convert to fraction form
    30,337.05/45,505.58 = 15,574.80/x
  3. Step 3: Cross multiply
    30,337.05x = 45,505.58 × 15,574.80
  4. Step 4: Simplify right side
    30,337.05x = 708,740,229.51
  5. Step 5: Solve for x
    x = 708,740,229.51/30,337.05
  6. Step 6: Final answer
    x = 23,362.20

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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.