Home / 30,023.01-45,019.23-10,025.31

Finding the Fourth Proportional to 30,023.01, 45,019.23 and 10,025.31

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Solution

The fourth proportional to 30,023.01, 45,019.23 and 10,025.31 is: 15,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,023.01 : 45,019.23 = 10,025.31 : x
  2. Step 2: Convert to fraction form
    30,023.01/45,019.23 = 10,025.31/x
  3. Step 3: Cross multiply
    30,023.01x = 45,019.23 × 10,025.31
  4. Step 4: Simplify right side
    30,023.01x = 451,331,699.12
  5. Step 5: Solve for x
    x = 451,331,699.12/30,023.01
  6. Step 6: Final answer
    x = 15,032.86

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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.